Efficiency unit
效率单位
🧩 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
She's a terrific person.
她人很好。
What will you do during this weekend?
这周末你干什么？
You might have left it in the shop.
可能你把它落在店里了。