Polyphenols
[医]多酚类
🗣️ 情景例句
The snow's really coming down.
雪下的真是大。
It's going to crash! Why?
要下坠了，究竟怎么啦？
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-