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
So, you're an exchange student.
哦，你是一名交换学生。
Happy is the man that owes nothing.
无债一身轻。
Will you help me plant this tree, please?
你愿帮着种这棵树吗？