一旦与挥发性有机化合物结合，氮氧化合物就会在低压闷热天气造成烟雾或地面臭氧污染——导致人类呼吸系统问题。
When combined with volatile organic compounds, NOx can create smog or ground-level ozone pollution in hot stagnant weather - causing respiratory problems in humans.
肺支原体是实验大鼠和小鼠的重要致病微生物，所导致的鼠呼吸系统支原体病也是研究人类呼吸系统感染的动物模型。
M. pulmonis is not only an important pathogenic organism to laboratory rats and mice, but also is an extremely suitable model organism to study pathogenesis of human respiratory system.
他计划调查他的新病毒合成物对豚鼠和白鼬的传染性如何，这两种动物的呼吸系统更能体现出人类在发烧时与流感的对抗情况。
He plans to investigate how contagious his new viral blends are in guinea pigs and ferrets-animals whose respiratory system better reflects our own feverish battle with flu.
慢性阻塞性肺疾病(COPD)是常见的呼吸系统疾病，严重威胁着人类的健康。
Chronic obstructive pulmonary disease (COPD) is a common disease of respiratory system threatening the health of people.
慢性阻塞性肺疾病(COPD)是常见的呼吸系统疾病，严重威胁着人类的健康。
Chronic obstructive pulmonary disease (COPD) is a common disease of respiratory system threatening the health of people.
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