Some animals grow thicker fur, or live in tree holes or underground to stay warm.
有些动物会长出浓密的毛发，或者居住在树洞或地下来保暖。
In nature, we can see asymmetry in tree branches, in clouds, and in the fur of animals.
自然界中，树木的枝杈，云朵，和动物的皮毛都是不对称的体现。
Cats that hunt on open, rocky ground by daylight tend to have evolved plain-coloured coats, while those that pounce from rainforest tree branches typically sport dappled fur.
白天在开阔怪石磷峋的野外捕猎的猫科动物逐渐就会进化出素色的皮毛出来，而这样颜色的皮毛在雨林的树从中吸收来了黑粉变异成有斑点的皮毛。
What do the following things have in common: a cone, the fur of a fox, and a Christmas tree?
下面这些东西有何共同点：锥形，狐狸皮，圣诞树？
This cat tree is made of luxurious long fur plush, Formaldehyde-free board and natural sisal. Also more toys which can amuse your cat for long time.
猫架- 选用高档长毛绒。环保板材以及天然麻绳制作，有多个玩具供小猫玩耍。
Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.
树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。
Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.
树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。
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