Difluorinated
二氟化的
🗣️ 情景例句
I would rather stay at home than go out.
我宁可呆在家里，不想出去。
I ought to think about it.
我应该再三考虑。
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。