Reciprocating-apparatus
[机] 往复装置
🧩 词语组成解析
[医] 交互的, 往复的
🗣️ 情景例句
It is not as difficult as it looks.
这并不像看起来那丢难。
What is this?
这是什么？
What happened next?
跟着发生了什么事？