Waterproofness
防水性
🗣️ 情景例句
Of course, I'll visit at least once a year, maybe more.
当然，我最少每年会来拜访一次，也许更多次。
Just lately I've caugth up to my works.
最近我的工作忙死了。
Human beings are divided into two classes:
人被分为两种类别：