bronchitis 什么意思
bronchitis[英][brɒŋˈkaɪtɪs][美][brɑ:ŋˈkaɪtɪs]n.支气管炎; 例句:1.Acute bronchitis is usually caused by viral infections. 急性支气管炎通常是由病毒感染引起。 2.Asthma, bronchitis and other chronic lung ailments can betriggered or aggravated by exposure to secondhand smoke. 长期处于充满二手烟的环境，可能引起或恶化气喘、支气管炎和其他慢性肺病。