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

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。

Triton: How much I'm going to miss her.

海神：我将会多么想念她。

Or hear old Triton blow his wreathèd horn.

或聍听海神吹响饰有花冠的号角。

Triton: Well… I guess there's one problem left.

海神：那么，我估计会有一个问题。

Triton may be the coldest place in our solar system.

也许，海卫一是太阳系中最寒冷的星球。