noun🔗Share海牛,美人鱼. Any of several plant-eating marine mammals, of family Trichechidae, found in tropical regions."While visiting Florida, we saw manatees swimming slowly in the warm river. "在佛罗里达州旅游的时候,我们看到海牛,也就是俗称的美人鱼,在温暖的河里缓慢地游动。animalbiologyoceanenvironmentnatureecologyChat with AIVocabulary GamePractice Reading