Rapper
n. 敲门人, (美)(非正式)控告人, 证人, 检举人\\n[机] 敲杆
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert.
我一时冲动，逮了几十只，装进一只纸袋里，带着去找罗伯特。