Reversing tube
[计] 反向管
🧩 词语组成解析
a. 回动的\\n[化] 换向
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
He is embarrassed because he made a mistake.
他因为弄错而显得很窘。
He looked very angry.
他看上去非常气愤。