Serums
浆液, 血清
🗣️ 情景例句
If you stick to the truth, you'll have nothing to fear.
如果你坚持真理，就会无所畏惧。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
Are all the things in the car now?
现在所有的东西都在车上吗？