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
Standard guide for choosing locations and sampling methods to monitor atmospheric deposition at non - urban locations 非都市地区监测大气沉积物的选址和取样方法的标准指南
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Air and soil quality - measurement of atmospheric deposition of organic trace substances ; funnel adsorber method - part 2 : determination of polynuclear aromatic hydrocarbons 空气和土质.有机痕量物质的大气沉积物测量.漏斗吸收