breathyadj.带呼吸声的；缺少声量的breathn.呼吸；气息breath hold diving屏气潜水breathing of engine发动机通风breathable plastics透气性塑料breathing regulator呼吸调节器breath holding time憋气时间breathing-machine呼吸机breath of your lifen.生命中必不可少的东西(象空气一样重要的东西)breathing frequency呼吸频率breathable laminate透气层压制件breathing equipment氧气设备