大气: 1.(地球周围的气体) atmosphere; air2.(呼吸; 沉重的呼吸) breath; heavy breathing 短语和例子跑得直喘大气 breathe heavily from running; 吓得连大气也不敢出 catch or hold one's breath in fear
Its aim is to take advantage of air environmental resources fully and make best design of technology condition based on the ability of air self - purification of region studied and seek for concrete countermeasures of improving atmospheric environmental quality 根据研究区域的大气自净能力，最大限度地利用大气环境资源以及技术条件最优化设计，提出适合实际改善大气环境质量的具体对策。
