An African ruminant mammal(Giraffa camelopardalis) having a very long neck and legs, a tan coat with orange-brown to black blotches, and short horns. It is the tallest land animal, often reaching a height of 5 meters (16½ feet), and feeds principally by browsing in the tree canopy of wooded grasslands. 长颈鹿:一种非洲的反刍哺乳动物(长颈鹿) ,有很长的脖子和腿,有黄褐色到黑色的斑点和短短的角。它是陆上最高的动物,经常达到5米高(16.5英尺)。主要吃长满树木的草原上的树木顶端嫩叶Any of various aquatic, chiefly marine mammals of the order Cetacea, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat, notched tail.鲸目动物:鲸目动物中的一种水生动物,主要是海生哺乳动物,包括鲸、海豚和鼠海豚, 特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉