Hrs
abbr. 高分辨率光谱仪（High Resolution Spectrometer）
🗣️ 情景例句
Wait! Don't hang up!
等等， 别挂断电话！
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。