The mass of Jupiter is about 300 times that of the Earth, however its density is low. In fact, these are general features of Jovian planets.是什么意思_The mass of Jupiter is about 300 times that of the Earth, however its density is low. In fact, these are general features of Jovian planets.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句