R unit
[医] r单位, 伦琴单位
🧩 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
Why do you want to resign your position as secretary?
你为什么想辞去秘书的职务？
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
First of all, they may have come to this planet of ours thousands or millions of years ago,
首先，他们可能在几千年前或几百年万年前已来过我们地球，