Stoichiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
Come on, Albert, you can help us!
走 ，Albert， 你来帮忙！
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
You're always welcome.
别客气。