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
When would we have to move?
什么时候我们得搬家？
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
I've never been there.Have you ever been there, Ken?
我从未去过。肯，你去过吗？