noun
earth
/ә:θ/
earth 是什么意思
地球，泥土，世界，尘世
The 3rd planet from the sun; the planet we live on the loose soft material that makes up a large part of the land surface the abode of mortals (as contrasted with Heaven or Hell) once thought to be one of four elements composing the universe (Empedocles).
词性
noun
难度
挑战
页面用途
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