join up
v. 联合起来, 入伍
例句与用法：
We both joined up in 1939.
我们俩都是1939年入伍的。
Nowadays, people can join up each other by telephone.
现在人们能通过电话互相联系了。
1. 连接
The electrician joined the wires up.
电工把电线连接起来。
2. 入伍
He joined up in 1980.
他一九八○年入伍。
join upjoin up1.■参军, 入伍On leaving college, my brother joined up.我的兄弟大学毕业后参军了。2.■(使)合拢; (使)联合I'm glad to see that the edges of the wound are joining up nicely.我高兴地看到伤口的边缘正在很好地愈合。The three clubs joined up to improve the town's playground facilities.三家俱乐部联合起来共同改善镇上运动场的设施。The railway tracks join up into a single line on the other side of the town.在城镇那边的几条铁道合为一条单线。They joined up with us to spend the remainder of the holiday.他们来跟我们一起共度余下的假期。The first stage of the operation was to join up the bones.手术的第一步是把骨头接上。He joined up the two pieces of wood together with nails.他用钉子把两块木头接起来。Four main vessels had to be joined up.有四根大血管需要连接。
join up1.■连接：We must first join the two wires up.我们必须先将两条线连接起来。The first stage of the operation is to join up the bones.手术的第一步是把骨头接上。2.■(使)会合；(使)联合：We plan to join up with the other team at the top of the mountain.我们计划与另外一个队在山顶会合。The two firms were joined up to reduce competition.两个公司被联合起来以减少竞争。3.■(伤口等)愈合：I'm glad to see that the edges of the wound are joining up nicely.我高兴地看到伤口的外缘正在愈合。4.■参军；入伍：Did you join up or were you forced into the army?你是自己参的军，还是被迫入伍的?
见:join: join up