🧩 词语组成解析
per
[pə:, pə]
prep. 由;(表示根据)依照;(表示比率)(尤指数量,价格,时间)每;
adv. 每次;每个;照常;按惯例;
adj. 高的,过的,全的;
unit
['ju:nit]
n. 单位,单元;装置;个体;[数]单位数;
🗣️ 情景例句
I'm trying to catch Mary, please.
我想与Mary联络。
Did you see him yourself?
你自己亲自看到他吗?
What is the deadline for submitting the quotation?
报价截止日是哪一天?