Polyunit
叠合装置
🗣️ 情景例句
I don't want to interrupt her school year.
我不愿意打断她这个学年。
I doubt that I'll do anything tomorrow.
我不确定我明天将做什么事。
I have to transfer to No. ll bus, but where is the bus stop?
我需要换乘11路公共汽车，但是汽车站在哪儿？