A：Scientists have found a second solar system in the universe.

科学家在宇宙中发现了第二个太阳系。

B：What's the second solar system?

什么是第二个太阳系?

A：It's just a system like ours, with a star and a number of planets going around it.

就跟我们的太阳系一样，有一个恒星和围着恒星转的几颗行星。

B：Is this good news or bad news?

这是好事还是坏事?

A：It's exciting news! If we find a second solar system, we might find a second earth!

这是激动人心的消息。如果我们能发现第二个太阳系，兴许就能发现第二个地球。

B：You mean with people on it?

你是说上面有人住的?

A：Yes! Isn't that exciting?

对啊。这难道还不让人激动吗?