Polyunsaturate
n. [化]多不饱和物(如脂肪等)
🗣️ 情景例句
I found another mistake.
我又发现一个错误。
Officer, give me a break.
警官，请恕我打扰一下。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时