Stoechiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
What is the way to the drugstore?
哪一个方向是去药房的？
Four hundred! That's a lot of money. But, just this once. After all, this ball is very important.
400法郎！这倒是很大一笔钱。不过，就只这么一次。要知道，这次舞会很重要啊。