Ultrashort
a. 超短波的, 极短的
🗣️ 情景例句
Are they open?
店开着吗？
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
I've recently noticed that one of my work-mates is stealing.
我最近注意到，我的一个工友在行窃。