spark plug
火花塞, <口>促进事物发展的人
例句与用法：
John is the spark plug on his rowing team.
约翰是划船队的中坚分子。
词形变化：
名词: sparker |
动词过去式: sparked |
动词过去分词: sparked |
动词现在分词: sparking |
动词第三人称单数: sparks |
n.[C]
1. (引擎的)火星塞
2. 【口】(工作, 事业的)领导人物; 倡导者; 中坚分子
The shortstop is the spark plug of our baseball team.
游击手是我们棒球队的中坚。
spark plugspark plugvt.1.■激励,倡导n.1.■(事业的)领导者,火花塞
spark plug1.■＝ sparking plug2.■[口语](事业的)带头人，激励者3.■[口语]中坚分子；精神支柱
spark plugnoun- a device for firing the explosive mixture in an internal-combustion engine
（内燃机内的）火花塞
spark plug
名词 spark plug:
electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
同义词：sparking plug, plug