contraction cavity

基本解释

This contraction increases the volume of the thoracic cavity and lowers the pressure inside the lungs.
这个收缩活动增长了胸腔的容积，下降了肺部的压力。
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。
To evaluate the marginal adaptation of different resin composites to dentin using dual-cured dentin bonding agent by measuring the wall-to-wall polymerization contraction gap width in dentin cavity.
在高倍光学显微镜下测定各组用复合树脂修复的牙本质窝洞洞缘处的最大收缩裂隙值。