Stoechiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Walk groundly; talk profoundly; drink roundly; sleep soundly.
行路踏实，言谈深刻，饮酒豪爽，睡眠酣畅。
Is there any chance that we can substitute this for you?
这个可不可能使用代替品呢？