Stoicheiometry
[医] 化学计算学, 化学计量学
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
Respect yourself, or no one else will respect you.
君须自敬，人乃敬之。
Where do you work?
你在哪上班？