Stoichiometer
[医] 化学计算器, 化学计量器
🗣️ 情景例句
I just saw a big one!
我刚看见一条大的。
Have you offered him any candy?
你给他糖果吗？
Next Friday? Why, what's happening? I'm going away for the weekend.
下星期五？嗨，到底有什么事情？我要外出度周末。