Replacement unit
[机] 换置组件
🧩 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
The question is,
问题是，
She fears Tom will drop out of school.
她担心汤姆会休学。
They will be arriving here tomorrow.
明天就要到达此地。