adj.地球的,土地的;
英文例句/中文翻译:
Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
The sun is constantly evaporating the earth's moisture.
太阳使地球上的湿气不断蒸发。
Earthquakes leave scars in the earth's crust.
地震会在地壳上留下裂痕。