Leptogenesis
可纺性
🗣️ 情景例句
I need to confirm my reservation.
我要确认我的预定。
Thank you for inviting us; we had a wonderful time.
谢谢您的邀请，使我们过得很快乐。
Suppose it rains,what shall we do?
万一下雨，我们该怎么办？