downer

['daunə]

n.镇定剂, 令人沮丧的人或事

例句与用法：

What a downer that guy is!

那家伙多让人泄气呀！

n.

1. 镇定剂

2. 扫兴的人(或事)

downer

词义辨析：

同义参见:

depressant

narcotic

downer['daunə]n.1.■[口语]2.■镇静药(或剂)，抑制药(或剂)(尤指巴比妥酸盐[亦作down])3.■使人沮丧的经历、人、事或局面；令人厌倦的人4.■【畜牧业】(运输中的)卧地病畜5.■(强度或力量的)减弱；减少6.■乏味的人(或事物)，呆板、讨厌的人7.■沮丧，情绪低落8.■悲剧电影(故事)9.■停工期

1. (一般作 downers)a depressant or tranquillizing drug, especially a barbiturate
   抑制药，镇静药（尤指巴比妥类药物）
   
2. a dispiriting or depressing experience or factor
   令人沮丧的经历（或因素）
   the thought of the danger his son was in put something of a downer on the situation.
   想到他儿子面临的危险让他多少觉得情况有些令人沮丧。
   ■a period of consistent failure
   不断的失利（或挫折），一再遇挫
   Birmingham City are on a real downer.
   伯明翰队的确是一再遇挫。
   
3. a cow or other animal which has fallen down and cannot get to its feet unaided
   卧地不起的病畜
   

downer

名词 downer:

a drug that reduces excitability and calms a person

同义词：sedative, sedative drug, depressant

形容词 down:

being or moving lower in position or less in some value

同义词：down

becoming progressively lower

同义词：down

understood perfectly

同义词：down, down pat, mastered

extending or moving from a higher to a lower place

同义词：down, downward

being put out by a strikeout

同义词：down

lower than previously

同义词：depressed, down

shut

同义词：down

not functioning (temporarily or permanently)

同义词：down

low in spirits

同义词：blue, depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited

downer

■"I think Kobe's actually a little bit embarrassed by his love of basketball," says Downer.

“我想科比对他他自己对于篮球的爱有那么一点点的困惑。”

■"There are a lot of things China does well that we dont do," Downer told Sky News.

“有我们不做的中国做很好的很多事情，”下面被告诉了的天空新闻。

■Numerical simulation of hydrodynamics in a new type of downer entrance

一种新型下行管入口结构流体力学性能的数值模拟

■Hydrodynamics of Downer Reactor with a New Inlet Structure

一种新型入口结构的下行管的流体力学性能

■Keywords downer;deep catalytic cracking;light olefin;reaction temperature;catalyst to oil ratio;

下行床;催化裂解;低碳烯烃;反应温度;剂油比;

■Keywords Downer;Solid flux controller;Solid flux;

下行床;固体物料控制器;固体循环量;

■Keywords downer;gassolids separator;cone with cambered surface;baffler;separator efficiency;

下行床;气固分离器;弧面锥体;导流板;分离效率;

■Keywords downer;ozone decomposition reaction;mass transfer;model;

下行床;臭氧分解反应;传质;模型;

■Effect of Injecting Inert Particles on Coking Prohibition and Particle Velocity Uniformization in Downer Reactors

下行床反应器中惰性颗粒射入对结焦抑止和颗粒速度均匀化的影响

■Research of Downer Fluid Catalytic Cracking Process for Producing Multi-Products

下行床反应器用于催化裂化多种目标产品的优化工艺研究

■A New Solid Flux Controller for the Downer Reactor Engineering Technology

下行床反应系统的固体物料控制器实验研究

■COMPUTATIONAL FLUID DYNAMIC MODELING OF HYDRODYNAMICS IN DOWNER REACTORS

下行床气固两相流动计算流体力学模拟

■Experimental Study on Characteristics of Gas-Solid Mass Transfer and Reaction in a Downer

下行床气固传质及反应特性的实验研究

■Total Distribution and Liquid Composition of Products from Coal Topping Process in a Downer Reactor

下行床煤拔头工艺的产品产率分布和液体组成

■And catalysts of higher activity should be developed to fit the new kind of circulating fluidized bed reactor, downer, for the FCC process.

下行床用于催化裂化过程，与之较匹配的应该是具有更高活性的催化剂，研制新型高活性催化剂也是下行床推向工业的重要措施之一。

■Hippies usually avoided the downer of the real world by escaping to the wilds to enjoy the buzz of nature, make heavy observations about life and enjoy free love.

为了躲避现实世界中的“不利局面”，嬉皮们通常会逃往荒野地带，以便享受自然带来的“愉悦”、“深入”观察生活并尽享“自由之爱”。

■The suit comes after the largest beef recall ever, involving a California meat packing plant using so-called “downer cows”.

之前，发生了美国史上最大的牛肉召回事件，包括加利福尼亚肉制品包装公司使用所谓的“倒地牛”。

■Keywords ethylene;pyrolysis furnace（or heater）;quick - contact reactor（or downer）;

乙烯;管式炉;超短接触反应器;

■Alexander Downer

亚历山大·唐纳

■Getting into an auto accident today was a real downer.

今天被卷入了一起交通事故中真是一件让人沮丧的事。

■Today Mr Downer returned the favour, labelling the Opposition Leader a political opportunist who changed his mind daily to please everybody.

今日唐纳归还了赞成票,标签反对党领袖的政治机会主义者改变主意每日嫂.

■He's really on a downer, isn't he?(= very depressed)

他郁闷得很，是吧?

■To reduce the olefin content of FCC gasoline, a circulating downer reactor was built to study the cracking behavior of straight - run FCC gasoline using commercial FCC and DCC equivalent catalyst.

以循环下行床为反应器,催化裂化汽油为原料,在工业催化裂化(FCC)催化剂和催化裂解(DCC)催化剂作用下,研究了催化裂化汽油的催化转化过程。

■"We need to win," Torre said. "With the off-day on Monday, we certainly don't want to end the trip on a downer.

会长强调，周日小民主投对金莺这一场的重要性，就是洋基一定要赢，以避免他们自6月21日后达成五成胜率以来的第一次被横扫。

■You have been such a downer lately.

你最近可真没情调。

■The Agriculture Department bans downer cattle from entering the food supply.

农业部禁止唐纳牛进入食品供应。

■Steven: French? But you know how much of a headache I get reading subtitles . Besides,"My Mother Cries a River"? It sounds like a real downer .

史蒂文：法国片?但是你知道看字幕对我来说有多头痛。而且，《母亲泪流成河》?听起来就像是会让人很沮丧的片子。

■It's also something of a downer,

同时影片也多少有点悲观，

■At a private Australian Chamber of Commerce dinner held in Beijing on Wednesday night with former foreign minister Alexander Downer, Mr Hu was the main topic of conversation.

周三晚在北京和前外长唐纳一起参加一家私人澳洲商会举行的晚宴，胡士泰事件是主要话题。

■Downer also commented on China-U.S. relations, saying Australia has never been concerned that Washington is pursuing a policy of containment toward Beijing.

唐纳也对美中关系发表评论。他说，澳大利亚从不担心华盛顿对北京采取遏制政策。

■In doing so, Mr Downer accidentally made a useful contribution to highlighting the real value of established media over the myriad of online and new media bloggs competing for reader attention.

唐纳先生此种举措意外地对于凸显出既有媒体的真实价值做了一番有用的贡献，而这些媒体是透过网路和新兴博客媒体来竞争读者的关注。

■Mr Downer said that while Australia was well served in reporting on many of the key topics that shape our international relations, he remained disappointed with some of the recent reporting out of the Middle East.

唐纳先生说，媒体在很多重要事件上的报道，为澳大利亚提供了良好的新闻服务，但他仍对最近出于对中东发生的事件的报道表示失望。

■Downer repeatedly denied having seen a series of warnings sent by diplomats about possible corruption at AWB.

唐纳在声明中反复否认他曾看到外交官们向他发出的有关澳洲小麦局可能存在腐败行为的警告。

■Downer was not on the plane.

唐纳本人不在飞机上。

■Downer 's remark has been the most fiecely worded so far among those from all the US allies that support the pre-emptive strikes against Iraq.

唐纳的这项发言是目前为止所有支持对伊拉克展开先发制人攻击的美国盟邦中，最强烈的言词。

■Downer said he hoped foreign troops would stabilize the country to allow the cash-strapped government to talk to rebel troops, who claim their dismissal was unfair.

唐纳说，他希望外国军队将稳定该国局面，以便银根短缺的政府能与叛军对话。叛军称，他们被辞退是不公平的。

■A security agreement is a symbolic way of building up those new aspects of the relationship, says Mr Downer.

唐纳说，双方签署的安全条约象征着在新的领域里建立合作。

■The only downer inside the CC is the backseat headroom. With the lowered roofline, passengers over six feet tall may not enjoy riding in the cheap seats.

唯一的内循环是后座空间。随着降低车顶，乘客超过6英尺高不得享受骑马的廉价席位。

■Dr Gee recorded in an email soon after that "Downer has issued instructions it (my letter) is not to be distributed to anyone".

在“唐纳发出指示说，它（我的信）不要再发出去给任何人”的命令后，格博士马上将他的指示在电子邮件里存了档。

■In the aftermath of the Detroit downer , Damon didn't mope around his Orlando home.

在底特律的惨败之后，戴蒙并没有在奥兰多的家中消沉度日。

■A new entrance structure based on strong turbulence dispersion was designed and tested on a semi-industry downer cold model with 418 mm I.

基于对现有下行式循环流化床(下行床)气固混合入口的总结,提出下行床入口结构设计的关键原则。

■In the downer reactor olefins in gasoline could be converted to light olefins(LPG-range) and liquid products containing less olefins but much more aromatics.

实验结果表明,在下行床反应器中,催化裂化汽油中的烯烃能显著降低,主要转化为低碳烯烃产品,同时得到富含芳烃的液体产品,副产干气和焦炭量很低。

■Keywords radial distribution of local particle velocity;approximate particles settling velocity;downer;annular distributor;binary particle mixture;

局部颗粒速度径向分布;近似颗粒群沉降速度;下行床反应器;环隙式分配器;二元混合组分;

■Public Announcement: Attention people; those interested in testifying at Nurse Downer's parole hearing should report to the office. Have a nice day.

广播：大家注意，有兴趣在当娜护士假释听证会上做证的人，请到办公室报告。

■Common Reasons and Cure of "Downer Cow" Syndrome

引起"奶牛卧倒不起综合征"的常见原因及其诊治

■Asked if he was impressed by Mr Rudd's language skills, Mr Downer, a French speaker, said he was not one to flaunt his talent with foreign tongues.

当问及拉德先生的语言能力有没有给其留下深刻印象时，唐纳先生（法国演讲人），表示他不会用他的外语来显示他的才智。

■sit downer

怠工者

■be on a downer

感到沮丧

■The gas-solid flows in two dimensional downer were simulated by using a CFD-DEM method.The simulation results showed the typical flow structures in the dower.

摘要采用计算流体力学和离散单元方法耦合模型(CFD-DEM)对二维下行床内的气粒流动行为进行了全床数值模拟。

■The title plant had been used as antalgesic and downer from the beginning of the 20th century up to now.

早在20世纪,这种植物就是流行的止痛药和镇定剂,一直沿用至今。