Contrainjector
反向喷射器
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
Dan was most surprised when he heard the news.
丹听到这个消息后，惊奇万分，