Monosulfonate
单磺酸盐
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
No, it's a duck, not a chicken. Oh, can you hear some animals?
不对，是只鸭，不是鸡。噢，你听到一些动物的叫声没有？