Norcholanic acid
[化] 降胆烷酸
🧩 词语组成解析
🗣️ 情景例句
Very good. But, unless I miss my guess, you should say something about your family, too.
非常好，但是我除非我想错了，不然你应该谈谈你的家庭。
I have so much to do after I retire.
我在退休后有许多事要做。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。