Bef
abbr. 在…以前（before）
🗣️ 情景例句
My boss expects me to work day and night.
我的老板恨不得我一天到晚地工作。
From which station does the train leave?
这列火车从哪个站开出呢？
Are we allowed to use the basin by the side of the cupboard?
我们可以使用器皿柜旁边的那个水盆吗？