Reciprocating engine
[机] 往复式动力机
📖 牛津释义
reciprocating engine
engine in which pistons move backwards and forwards inside cylinders 往复式发动机.
🧩 词语组成解析
[医] 交互的, 往复的
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
We hired a woman to watch Richard and then Susan,
我们雇用一名女士来照顾Richard ，后来又照顾Susan
I will play it by ear.
我会见机行事的。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，