Mesochemistry
介子化学
🗣️ 情景例句
How often do you go running?
你多久跑步锻炼一次？
That is why we have asked you to come tonight.
这也就是我们今晚请你们来的原因。
They examined the remain and John got all his money back.
他们鉴定了这些残留物。约翰拿回了他损失的全部数额。