求翻译：海豹是肉食性海洋动物，哺乳动物(胎生)。它们的身体呈流线型，四肢变为鳍，适于游泳。海豹有一层厚的皮下脂肪保暖，并提供食物储备，产生浮力。海豹大部分时间栖息在海中，脱毛、繁殖时才到陆地或冰块上生活。海豹分布于全世界，在寒冷的两极海域特别多，食物以鱼和贝类为主。是什么意思？

Seals are carnivorous marine animals, mammals (viviparous). Their body is streamlined, the limbs into fins for swimming. Seals have a thick subcutaneous fat, warm, and provide food reserves to produce buoyancy. Seals live in the sea most of the time, hair removal, breeding only to live on land or ic

Navy SEALs, marine animals are carnivorous mammals (born). Their physical petition 4 limbs into a sleek, fins, and suitable for swimming. harp seals with a layer of thick subcutaneous fat warmth, and to provide food reserves, have a buoyancy. Most of the time seals inhabiting the sea, and rawhide,

The seal is the sarcophagy marine animal, the mammal (viviparity).Their body assumes the streamline form, the four limbs becomes the fin, is suitable for to swim.The seal has thick hypodermic fat to maintain warmth, and provides food reserve, has the buoyancy.The seal majority of time perch in the s

Seals are carnivorous marine animal, mammal (viviparous). Their bodies are streamlined, limbs become fins for swimming. Seals have a thick layer of fat under the skin warm and provides food, produce buoyant. Seal Habitat in the sea most of the time, hair removal, breeding only to life on land or ice

The seal is a carnivorous marine animal, the mammal (viviparity). Their body is streamlined, four limbs turn into the fin, is suitable for swimming. The seal has cold-proof lower fat of skin one layer thick, and offer the food to store and produce the buoyancy. The seal perches in the sea in most of