Polysulfonate
多磺酸盐
🗣️ 情景例句
Unbelievable. I've got to read her new book as soon as it comes out.
真了不起。她的新书一出版我就得读一读。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
What are you doing this evening?
今晚你打算干什么？