Watertightness
n. 防水
✅ 同义词
🗣️ 情景例句
Thanks.
谢谢。
Only by working hard can we succeed in doing anything.
只有通过努力工作我们才能成功。
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。