彗星的

This is why Comets are so icy.

这就是为什么彗星这么冷的原因。

In history comets have a special place.

彗星在历史上占有特殊的地位。

The answer has to do with comets.

这跟彗星有很大的关系。

Scientists want to learn how comets are formed.

科学家想知道彗星是怎样形成的。

If it wasn't delivered by comets, then has it been here all along?

如果水不是由彗星带来的，那么这里一直就有吗？

His name is forever associated with comets.

他的名字总是和彗星联系在一起。

Comets are usually made of ice and rock.

彗星通常是由岩石和冰构成的。

He studied comets which other scientists had studied.

他研究的其他科学家研究彗星。

Therefore, the water in Earth's oceans must have originated from comets.

因此，地球海洋中的水肯定源自彗星。

Until the comets are only a few hours away.

彗星距我们只有几小时的路程了。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。