Our
Saturn and Jupiter fleets are still pulling back to guard theInner planets.Saturn and
Jupiter fleets 中的 fleet 为什么加 s?加 s 和不加 s 有什么不同?Saturn and Jupiter fleets 是不是由 Saturn fleet
and Jupiter fleet 合并而来?
The bats probably also use magnetic fields and smell when they need, but it appears that fortheir regular nighttime excursions they depend most heavily on their memorized map.这句话中请问哪里有语法错误呢?谢谢回答