Gravisphere
n. [天]引力层( 指以一个天体的引力为主的球形区域)
🗣️ 情景例句
Very valuable.
很有价值。
Beautiful day, isn't it?
今天天气真好，是不是？
When he woke up next morning, he discovered that the boat had, in the meantime, travelled to Calais.
第二天早上他醒来时，发现船在这段时间已经到了加。