英语词汇primary wave怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	primary wave
释义	primary waven.（名词） An earthquake wave in which rock particles vibrate parallel to the direction of wave travel. It can travel through solids and liquids.地震纵波：岩石微粒的振动平行于地震波传播方向的地震波，它可通过固体和液体
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