Stoechiometry
[医] 化学计算学, 化学计量学
🗣️ 情景例句
Let's go out clubbing ater the mid-term exams.
期中考试以后我们一起上酒吧。
Do you have a coin for the phone?
你有打电话的硬币吗？
It doesn't matter! Jim, do you remember we went to work on a farm last October?
没关系！吉姆，你还记得我们去年10月份去一个农场劳动的事吗？