Dextrad
adv. 向右, 向右侧
🗣️ 情景例句
I'll help.
我也来帮忙。
A man cannot whistle and drink at he same time.
一心不能二用。
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）。