单词 | rarefaction |
释义 | rarefaction[,rєəri'fækʃən]n. 稀薄化, 稀薄【医】 稀疏[状态], 疏松[状态] rarefaction rar.e.fac.tion AHD: [râr”…-f²k“sh…n] D.J. [7re*r*6f#k.*n]K.K. [7rWr*6f#k.*n]n.(名词)1. A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.稀薄化:介质中密度和压力的下降,例如在空气中,由于声波的穿越而发生2. The region in which this occurs.稀疏区:发生这种现象的区域继承用法:rar”efac“tive adj.(形容词) |
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