Legs,Wings,Fins,and Flippers

Legs, Wings, Fins and Flippers. Written by Keira Fried.

腿、翅膀、鱼鳍和鳍状肢 作者：凯拉·弗里德

Introduction. Animals move in many ways. Animals have different body parts to help them move.

介绍 动物的移动方式多种多样 动物长着不同的身体部位来帮助自己移动

On land. Most animals that live on land have legs. Animals can have different numbers of legs.

在陆地上： 大多数生活在陆地上的动物都有腿， 不同动物的腿的数量也各不相同

Horses have long legs to run fast. Frogs have long back legs to leap.

马儿长着长腿，能跑得飞快 青蛙长着长长的后腿，适合跳跃

Some animals have no legs. These animals slide their bodies to move.

有些动物没有腿 这些动物靠滑动身体来移动

In the air. Birds, bats, and many insects use wings to fly. Animals can have two wings or four wings.

在空中： 鸟类、蝙蝠还有很多昆虫用翅膀飞行 动物可能长着两只翅膀，也可能长着四只翅膀