Construction operation
[计] 构造运算
🧩 词语组成解析
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
The cowl (or hood) does not make the monk.
穿袈裟的不一定是和尚。
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）。