earth
1
地球, 地球行星
a big round mass covered in land and water, on which we all live
- The Earth has diverse ecosystems, ranging from forests to deserts.
地球拥有多样的生态系统，从森林到沙漠。
- The Earth is part of our solar system, orbiting around the sun.
地球是我们太阳系的一部分，围绕太阳运行。
- The Earth rotates on its axis, causing day and night.
地球绕其轴旋转，导致白天和黑夜。
- We live on planet Earth, which is our home.
我们生活在地球上，这是我们的家园。
- We should take care of the Earth by reducing our waste.
我们应该通过减少浪费来照顾地球。
2
地球, 地面
the solid surface of the planet distinguished from air or sea
3
4
洞穴, 地洞
a tunnel or hole dug underground by some animals, such as badgers, foxes, rabbits, or moles, for shelter and protection
5
地, 世
the concerns of this life as distinguished from heaven and the afterlife
6
地球, 世界
the abode of mortals (as contrasted with Heaven or Hell)
同义词：
7
土, 作为四大元素之一的土
once thought to be one of four elements composing the universe (Empedocles)
8
地, 质量
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
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