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
Thank you. Yes, actually Mary and I have been planning this for some time.
谢谢。其实玛丽和我已计划了很久。
Is the source of the information reliable?
那个消息的来源可靠吗？
But, in addition to that basically simple concept,
除了这一基本的简单的概念外，