当分解时产生的气体会刺激眼睛、鼻和咽喉。
一种原发流感病毒感染之后，可以使这些细菌从鼻和咽喉移行至中耳。
These bacteria migrate from the nose and throat to the middle ear after an initial influenza virus infection paves the way.
除了提供口罩，加拿大队还将携带空气净化器、哮喘喷雾剂、眼药水、鼻喷剂和咽喉含片来减轻恶劣空气的副作用。
As well as taking a supply of masks, team Canada will bring air purifiers, asthma puffers, eye drops, nasal sprays and throat lozenges to help with the side effects of poor air.
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