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
地球: the earth; the globe◇地球扁率 compression [flattening] of the earth; 地球扁球体 earth spheroid; 地球变化磁场 variable magnetic field of the earth; 地球表面 earth surface; 地球波导 terrestrial waveguide; 地球测绘电子学
