Pseudoallyl
异丙烯基
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
How often did I tell you not to speak so loud?
我告诉你多少次不要讲话这么大声?
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。