单词 | 稀薄化 |
例句 | DEFINITIVE EXAMPLES 权威例句〔rarefaction〕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美国传统 |
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