Stoichiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
Wonderful!
好极了！
He is not in now.
他现在不在这里。
At lunchtime, the tourist thanked him and gave him ten pounds, which was a lot of money in those days.
午餐时，这位游客向他表示感谢，并给了他10英镑。这在当时可算是一大笔钱了。