Cavu
abbr. 云高及能见度无限；晴朗与能见度极好（Ceiling and Visibility Unlimited）
🗣️ 情景例句
Oh, I'm so sorry.
噢， 我真难过。
The homework took me a whole day.
做家庭作业花了我一整天的时间。
Good afternoon! I've come to return your pan. Thank you very much for lending it to me.
下午好！我来还你锅。非常感谢你能把锅借给我。