Reversing tube
[计] 反向管
🧩 词语组成解析
a. 回动的\\n[化] 换向
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
Open your eyes!
眼睛放亮一点！
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。