英语词汇contraction cavity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	contraction cavity
释义	contraction cavity 美/ k?n?tr?k?n ?k?v?ti / 简明释义 [机] 缩孔；缩空网络释义 1 [机]?缩孔缩孔短语 1 contraction cavity ratio 缩孔率双语例句 1 One of them is Spire, a stonelike device that clips to a belt or bra and senses the expansion and contraction of the chest cavity during breathing. Spire就是其中之一。这种小装置零售价为149.95美元，形状好像一块石头，可以别在皮带上或卡在文胸上，感知呼吸时胸腔的扩张和收缩。同近义词 [机]缩孔；缩空 shrinkage cavity
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