| air sac |
alveolus: a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways any of the membranous air-filled extensions of the lungs of birds
출처: wordnet.princeton.edu/perl/webwn
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|---|---|
| airborne transmission |
a transmission mechanism in the which the infectious agent is spread as an aerosol and usually enters a person through the respiratory tract
출처: wordnet.princeton.edu/perl/webwn
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| airsickness |
motion sickness experienced while traveling by air (especially during turbulence)
출처: wordnet.princeton.edu/perl/webwn
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| airway |
air passage: a duct that provides ventilation (as in mines) air lane: a designated route followed by airplanes in flying from one airport to another respiratory tract: the passages through which air enters and leaves the body airline: a commercial enterprise that provides scheduled flights for passengers
출처: wordnet.princeton.edu/perl/webwn
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| air pollution |
pollution of the atmosphere; "air pollution reduced the visibility"
출처: wordnet.princeton.edu/perl/webwn
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