英语词汇rarefactions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	rarefactions
释义	rarefaction[,rεəri'fækʃən] n. (气体的)稀薄状态【物理学】稀疏作用
随便看	parallel fold parallel folding parallel forces parallel grid parallel impedance paralleling reactor paralleling或-allelling parallel input／output parallel intergrowth parallelism parallelisms parallelist parallelistic parallelity parallelization parallelizations parallelize parallelized parallelizes parallelizing parallelless parallel linkage parallelly parallel market parallel motion

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