Centival
[机] 百分浓度单位
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
This will do for the time being.
暂时这样就行了。
That's easier said than done!
说来容易做起来难哪！