Astronomers think it is rocky, like the Earth, and that it may harbour liquid water.

天文学家认为它岩石很多，象地球一样，可能还保有液态水。

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It is both at the right distance from its star to potentially harbour liquid water and probably has a rocky composition like Earth.

它与其恒星的距离恰好允许液态水的存在，同时也可能由与地球成分类似的岩石构成。

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Skiing in the Rocky Mountains and sailing in the harbour make Vancouver one of Canada's most popular cities to live in.

落基山脉可以滑雪， 海港供你扬帆， 这些使得温哥华成为加拿大最受欢迎的居住城市之一。

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