Electropaint
v. 电涂(金属表面)
🗣️ 情景例句
Could you tell me a little about your background?
能否请您简短地谈一下贵公司的背景？
I was about to leave.
我正要出门。
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）。