Stoichiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
Does the name Harvey Carlson ring a bell?
对Harvey Carlson这个名字有印象吗？
Is there anything I can do for you?
有什么我能为您做吗？
The over-punctual can be as much a trial to others as the unpunctual.
早到的人同迟到的人一样令人讨厌。