breath invt.吸入breathn.呼吸；气息breath internal medieine department呼吸内科Breathing here is getting harder.在这里呼吸变得更加困难了.Breathing is an automatic action.呼吸是一种机械性的行为。breathing oxygen-deficient mixture呼吸用低氧混合气breath actuated metered dose inhaler自然呼吸入定量药物吸入剂Breath Alcohol Tester With Flashlight呼气酒精测试仪与手电筒breathing apparatus communication set呼吸器通信装置Breathing has become difficult here.在这里呼吸变得更加困难了.Breathy whispered-intermittent group呼吸音耳语-间断群breathing apparatus for underwater swimming潜水呼吸器