Articles receipt
[经] 货物收据
🧩 词语组成解析
n. 文章；冠词；物品；条款（article的复数）
🗣️ 情景例句
Would you like something to drink?
你们要点什么饮料吗？
I must say that I'm a little at a loss as to how to introduce them.
我必须表明对于如何介绍他们，我有点不知所措。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。