Spacecraft assembled and provisioned on the moon could escape its far lower gravity using far less energy, and thus, far less cost.Also, the moon is home to abundant resources.是什么意思_Spacecraft assembled and provisioned on the moon could escape its far lower gravity using far less energy, and thus, far less cost.Also, the moon is home to abundant resources.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句