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
There's something I have to ask you.
我有一件事要问你 。
If you run after two heares, you will catch neither.
两头落空。
I looked at the map and then at the millimeter.
我看了看地图，又查了一下里程表。