Bef
abbr. 在…以前（before）
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
Hello. May I speak to Mr. Green?
你好，我找格林先生。
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。