This is the earth.

这是地球。

youdao

Does this landscape look like an alien one? Of course, this is the Earth.

走走看看吧，看看这绝美的地球风光！

youdao

During cooling most migrants would be expected to travel toward Africa, which is near the equator, since this is the direction dictated by habitat changes on a cooling Earth.

在气候变冷期间，大多数迁徙者预计将前往靠近赤道的非洲，因为在气候变冷的地球上，这是栖息地变化所决定的方向。

youdao

"I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the moon and returning him safely to the Earth.

VOA: special.2009.07.08

In fact, just because the world is round, you can already see if this is the Earth, to somebody that's the natural direction.

实际上,正由于地球是圆的,你们可以看到如果这是地球,对于某些人来说这才是惯常的方向

耶鲁公开课 - 基础物理课程节选

That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.

这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。

耶鲁公开课 - 旧约导论课程节选

What we want to do, and Earth Day reminds us of this, is save the Earth for us ... for you and me.

CNN: 'The Science Guy' says: 'Save the Earth'

If the signature of an element is found at a wavelength that is slightly to the blue side of what experiments in a laboratory show, this means the star is moving towards the earth, making the wavelength of the light it was emitting slightly shorter.

ECONOMIST: Stellar origins

If the claim is true, this is the first place beyond Earth known to have been favorable for organic life.

WSJ: Scientists Say Microbial Life Was Possible on Mars