天文学家们知道冥王星和海王卫一拥有几乎相同的体积、质量和密度。

Astronomers know that Pluto and Triton have nearly the same size, mass, and density.

《柯林斯英汉双解大词典》

冥王星和新天体还是有区别的。

Yet there are differences between Pluto and the new object.

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实际上冥王星和其它行星有重大的不同。

Well, actually there several important differences between Pluto and the other planets.

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