earth atmosphere

• 地球大气

earth atmosphere的用法和样例：

例句

1. Nitrogen forms about 78% of the earth's atmosphere.
   氮约占地球大气的百分之七十八。
2. The Earth's atmosphere seeks a steady oxygen level much as a thermostat hones in on a steady temperature.
   地球大气寻求固定在某一氧含量水平，就像恒温器总是寻求固定回某一温度。
3. The earth's atmosphere filters out much of the sun's radiation.
   地球大气层可以滤掉太阳的大部分射线。
4. Instead the Moon remains visible during totality, reflecting reddened light filtering into the Earth's shadow.
   月全食期间月球还是可见，光线经过地球大气层散射到地球阴影里，让月球反射出红光。