Venus is the hottest planet in the solar system because of its thick, toxic atmosphere, mostly carbon dioxide, with clouds of sulfuric acid, that allow it to retain the sun's heat.

它浓密有毒的大气层使它成为太阳系中最热的行星，它的大气中大部分是二氧化碳和硫酸云，这使它能够保存来自太阳的热量。