8 Animals of the Rivers-High

Animals of the Rivers FOCUS Question How do animals live in rivers?

河流中的动物焦点问题动物如何在河流中生活?

What Is a River? Rivers are places where water flows on land. Many kinds of animals live in rivers. Some stay in the water all the time. Others stay in the water for only part of their lives.

什么是河?河流是水在陆地上流动的地方。 许多种动物生活在河里。 有些鱼一直呆在水里。 有些动物只在水里待上一段时间。

Living in the Water All animals must breathe. Some river animals swim to the top of the water. Then they take a breath of air. Others breathe under water! Fish have parts called gills. Gills help them get oxygen (OK-suh-jin) from the water.

所有的动物都必须呼吸。 一些河中的动物游到水面上。 然后他们吸了一口气。 还有人在水下呼吸!鱼有叫做鳃的部分。 鳃可以帮助它们从水中获取氧气。

Living on the Water Ducks and other birds swim on top of the water. Ducks have webbed feet. Their feet help them swim. A duck's mouth is called a bill. Its flat-shaped bill helps the duck eat small plants and animals in the river.

鸭子和其他鸟类在水面上游泳。 鸭子有蹼足。他们的脚帮助他们游泳。 鸭子的嘴叫做鸭嘴。 它扁平的嘴可以帮助鸭子吃河里的小植物和动物。

In Rivers and Oceans Salmon are fish that spend some of their life in oceans and some in rivers. Adult salmon swim up the river to lay their eggs where they were born. Wowser! A salmon can find the place where it was born by smell!

在河流和海洋中鲑鱼是一种在海洋和河流中度过一生的鱼类。 成年鲑鱼游到河的上游，在它们出生的地方产卵。 老古板!鲑鱼可以通过嗅觉找到它出生的地方!

In and Out of the River Frogs spend only part of their lives in rivers. Adult frogs lay eggs in rivers. Their babies are called tadpoles. Tadpoles have gills. Tadpoles grow legs and turn into frogs. Frogs live on land and in the water. They have webbed feet for swimming. Wowser! Frogs can breathe through their skin.

青蛙一生中只有一部分时间是在河里度过的。 成年青蛙在河里产卵。 它们的宝宝被称为蝌蚪。 蝌蚪有鳃。蝌蚪长出腿，然后变成青蛙。 青蛙生活在陆地和水里。 它们有蹼足，适于游泳。 老古板!青蛙可以通过皮肤呼吸。