Stoechiometry
[医] 化学计算学, 化学计量学
🗣️ 情景例句
Come on, Albert, you can help us!
走 ，Albert， 你来帮忙！
After meat, mustard.
雨后送伞。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。