15 小时之前 · Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun.It is the largest known trans-Neptunian object by volume by a …

15 小时之前 · The Autobots (also known as Cybertrons in Japan) are the heroes in the Transformers toyline [1] and related spin-off comics and cartoons.Their main leader is Optimus …