respiratory tract

基本解释

One feature seen in many patients is the development of lower respiratory tract early in the illness.
在许多患者身上观察到的一项特征是，疾病初期会出现下呼吸道症状。
After all, flu viruses work this way; they destroy the cells of our respiratory tract, wreaking havoc in our airways.
毕竟，流感病毒就是这样的，它们破坏我们呼吸道的细胞，扰乱我们的通气孔。
Swine influenza (swine flu) is an acute viral infection of the respiratory tract in pigs caused by type A influenza virus.
猪流感是一种发生在猪身上的高度传染性急性呼吸道疾病，由A型流感病毒引起。

You've got the flu, you've got influenza in your upper respiratory tract, your cells are making more influenza.
你就此得了流感,你得了上呼吸道流感,你的细胞正在制造更多流感病毒
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You breathe it in, it infects the cells of your respiratory tract, and the virus begins to reproduce, and then it spreads throughout your body.
你将之吸入,病原体感染了呼吸道细胞,病毒开始繁殖,接着传遍你的全身
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That virus is reproducing inside cells of your respiratory tract.
病毒在你的呼吸道细胞内繁殖
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Eye and respiratory tract irritant that may also affect the central nervous system.
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the parts of the body that air passes through during the act of breathing, consisting of the mouth, nose, throat, and lungs

呼吸道
Sulfur dioxide (SO2), a common pollutant of urban air, can severely produce toxic symptoms in both humans and animals. It can cause respiratory tract diseases such as tracheitis, asthma, emphysema, and has close relations with lung cancer.
二氧化硫（Sulfur dioxide，SO2）是一种常见的对人体健康危害较大的大气污染物，可引起气管炎、哮喘、肺气肿等多种呼吸道疾病，甚至与肺癌的发生有关。
生物学
呼吸道
Its spore can also infect human by the way of respiratory tract, digestive tract and skin touch.
芽胞可以通过呼吸道、消化道和皮肤接触感染人类，以皮肤型炭疽最常见。