noun🔗Share月海， 阴暗平原。 A large, dark plain, which may have the appearance of a sea."From Earth, we could observe maria, the dark, ancient lava plains on the Moon, with just a pair of binoculars. "从地球上，我们仅用一副双筒望远镜就能观察到月球上的“月海”，那些阴暗古老的熔岩平原。astronomygeologyspaceChat with AIVocabulary GamePractice Reading
noun🔗Share玛雷，海。 On Saturn's moon Titan, a large expanse of what is thought to be liquid hydrocarbons."Scientists hope to learn more about the composition of Ligeia Mare, a maria on Titan filled with liquid methane. "科学家们希望更多地了解丽姬娅海的成分，丽姬娅海是土卫六上的一片“玛雷”， 其中充满了液态甲烷。astronomyspacegeologysubstanceChat with AIVocabulary GamePractice Reading
