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
No one lives here by that name.
这里没有人叫那个名字。
Do you know when he will be back?
你知道他什么时候会回来？
It obviously could not tell the difference between Indian music and jazz!
显然，它分辨不出印度音乐和爵士乐！