B-unit
变数部件，变址部件
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Ellen.
Ellen。
Would you mind calling back sometime tomorrow?
你介意明天某时打电话回来吗？
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。