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
the biggest accounting company in the country.
是全国最大的会计公司。
Do you know what the population of Japan is?
你知道日本的人口是多少吗？
I can't help it.
我情不自禁。