Coprostanol
粪（甾）醇
🗣️ 情景例句
I think you are getting off the subject. Could we get back to the main point, please?
我觉得你跑题了。 我们能不能回到主题上来？
Every shoe fits not every foot.
不能以己度人。
I have never seen the movie.
我从未看过那部电影。