单词
rarefaction
[,rɛrə'fækʃən]
基本信息
英英释义 实用场景例句
  • n. [声] 稀疏；（气体）稀薄
GRE

英英释意

1. a decrease in the density of something;
"a sound wave causes periodic rarefactions in its medium"
rarefaction相关单词
rarefaction
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