地球是一颗行星。
The earth is a planet and it goes around the sun.
地球是颗行星，它绕着太阳转。
This is the first image ever taken of Earth from the surface of a planet beyond the Moon.
这是除月球之外，第一个从其它星球的陆地上拍摄地球的照片。
Thee earth is a planet and it goes around the sun.
地球是颗行星，它围绕着太阳转。
The only planet not named after a god is our own, Earth.
唯一一个不以神的名字命名的行星是我们地球。
The Earth is a nearly spherical planet.
地球是一个近似球体的行星。
In the universe, the earth is a small planet.
而在宇宙中，地球只是一颗比较小的行星哩。
Unlike the earth, MKII is a much younger planet.
不像地球，MK二号是一颗年轻得多的行星。
Mars is also a planet that has water on its surface besides the earth.
除地球以外，火星也是一个存在表层水的行星。
To put it simply, the earth is a small planet.
简而言之，地球是个小行星。
Earth Day is a yearly call for people to work together to save the planet.
地球日是一年一次号召人们一起来为拯救地球而努力的节日。
The Earth where we live is a beautiful planet.
地球是一个美丽的行星，我们就生活在地球上。
The earth is a mysterious planet, filled with many mysterious stories.
地球是一个神奇的星球，充满了神秘的故事。
Before the earth is a very beautiful planet, but later been destroyed.
以前地球是个很美丽的星球，但是后来被人们破坏了。
Simply put, the earth is a small planet.
简而言之，地球是个小行星。
Simply put, the earth is a small planet.
简而言之，地球是个小行星。
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