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
OK, Philip. This is your third cup of coffee.
好啦 Philip。这是你第三杯咖啡了。
Fine.
好。
Let me see. It's about four thirty.
我看看，大约四点半了。