单词	air passage
释义	air passage noun plural air passages : a channel or part through which air passes It takes an extra shot of fuel right into the carburetor air passage to give an engine a burst of power when the accelerator pedal is depressed quickly. Popular Science specifically : an anatomical part (such as the pharynx and bronchial tubes) involved in respiration Pertussis is a bacterial infection of the air passages leading to the lungs … Jane E. Brody While asthma was once defined purely as intermittent, reversible spasms of the air passages in the lungs, its underlying cause is now known to be chronic inflammation of those airways … Judy Packer-Tursman Word History First Known Use 1771, in the meaning defined above Medical Definition air passage noun : a channel or part through which air passes specifically : an anatomical part (such as the pharynx and bronchial tubes) involved in respiration Pertussis is a bacterial infection of the air passages leading to the lungs … Jane E. Brody, The New York Times While asthma was once defined purely as intermittent, reversible spasms of the air passages in the lungs, its underlying cause is now known to be chronic inflammation of those airways … Judy Packer-Tursman, The Washington Post
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