Vfr
abbr. [航]目视飞行规则（visual flight rules）
🗣️ 情景例句
He made good in business.
他事业成功。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。