Serums
浆液, 血清
🗣️ 情景例句
We're going to take it slow first.
开头我们要做慢一点。
Whoever said that is a liar.
无论谁说的，都是谎言。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。