Macdougallin
仙人掌甾醇, 甲(基)胆甾烯二醇
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
No matter what happens, don't look excited.
不管什么事情发生，你总不要显得激动。
What are you going to do with that vase, Penny?
你打算如何处理那共瓶？