Stoichiometry
n. 化学计算, 化学计算法, 化学计量学\\n[化] 化学计量学; 化学计量法
🗣️ 情景例句
and I promised to have lunch with both of them today.
我答应今天和他们共进午餐。
When can you pick up your ticket?
你什么时候可拿到车票呢？
Excuse me. May I have a piece of paper, please?
请问，我可以要一张纸吗？