- But my fur and a thick layer of blubber make it so I don't need a real house.
但是我的皮毛和厚厚的脂肪层使得我可以这样，所以我并不需要一座真正的房子。
- Fortunately, these big birds have evolved dense feathers and a thick layer of body fat.
幸运的是，这些大鸟进化出浓密的羽毛和厚厚的身体脂肪层。
- But my fur and a thick layer of blubber make it so I don't need a real house.
但是我的皮毛和厚厚的脂肪层使得我可以这样，所以我并不需要一座真正的房子。
- Fortunately, these big birds have evolved dense feathers and a thick layer of body fat.
幸运的是，这些大鸟进化出浓密的羽毛和厚厚的身体脂肪层。
