基本解释[医药科学]室内空气污染物英汉例句双语例句These levels of indoor air pollutants may be of particular concern because most people spend about 90％ of their time indoors.由于多数人大约90％的时间都在室内度过，室内空气污染的这种程度应当引起人们的特别关注。indoors air pollutants更多例句专业释义医药科学室内空气污染物