Ccs
[化] 中国化学会
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
To pay a person in his own way.
以其人之道还治其人之身。
It is between two hills.
它们于两座小山之间。