地球
noun
earth
A2
earth
dìqiú
A2Elementary
A2
地球繞著太陽轉。
The Earth revolves around the Sun.
B1
人類已經在地球上生活了很長時間。
Humans have lived on Earth for a very long time.
B2
地球繞太陽公轉一周大約需要一年。
It takes the Earth about one year to complete one orbit around the Sun.
B2
地球自轉一周大約需要二十四小時。
It takes the Earth about twenty-four hours to complete one rotation.
B2
地質學可以幫助我們了解地球的形成。
Geology can help us understand how the Earth formed.