Macdougallin
仙人掌甾醇, 甲(基)胆甾烯二醇
🗣️ 情景例句
Sorry, I've already got plans.
对不起， 我有事。
You (or One) cannot make a silk purse out of a sow's ear.
粗瓷碗雕不出细花来。
I have never seen the movie.
我从未看过那部电影。