🧩 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
How long will this be on sale?
这种商品减价时间有多久？
Do you intend to finish before you leave?
你在出去以前要把它做完吗？
When it did so, it sent sparks down to the ground and these immediately started a fire.
当它这样做时，把火花送到了地面，这些火花立刻引起了一场大火。