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
Mary, what's your favorite sport?
玛丽，你最喜欢什么运动？
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
'My key,' I shouted.
“钥匙！”我喊道。