🧩 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 just received your letter and I want to let you know my opinion on your plans for the future.
来信已收到，我想告诉你我对你将来打算的看法。
A good anvil does not fear the hammer.
好砧不怕锤。
I sat down at the breakfast table in an exhausted condition.
然后坐到桌边吃早饭，一副筋疲力尽的样子。