Collochemistry
胶体化学
🗣️ 情景例句
I understand your feelings about it, Richard.
我了解你对这种事的心情， Richard。
I sure hope I can answer them for you.
我真的希望我能回答你的问题。
Can I see him please,Mrs. Williams?
我可以看看他吗，威廉斯夫人？