Tetracyclone
四环酮
🗣️ 情景例句
If enough people show interest, I'll run the show.
假如有足够多的人们感兴趣，我就开始表演了。
Besides the required courses, I'm taking an elective in the Lab Science.
除必修科目外，选修科目我选了实验科学。
I think no. He must be her fourth or fifth.
不，他一定是她的第4个或第5个丈夫。