Silenosterone
三羟基胆甾烯二酮
🗣️ 情景例句
Hi! What happened?
嗨 ！怎么回事？
Don't even think about it!
想都别想！
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。