Eng：A large natural flow of water that goes across land and into the sea or a lake.
CN：河流，江
The river is very long and wide.
这条河又长又宽。
We learned about the Nile River in our geography class.
我们在地理课上学习了尼罗河。
The company uses the river to help move goods to other cities.
这家公司利用这条河流将货物运往其他城市。
My father likes to go fishing by the river on weekends.
我父亲喜欢在周末去河边钓鱼。
The water in this river is very clean and cold.
这条河里的水非常干净且冰凉。
We sat on the river bank to have a picnic.
我们坐在河岸上野餐。
There are many beautiful flowers on the river bank.
河岸上有许多漂亮的花。
The boy is running along the river bank.
那个男孩正沿着河岸奔跑。
Be careful not to fall off the river bank.
小心不要从河岸上掉下去。
We can see many birds near the river bank.
我们可以在河岸附近看到许多鸟。
A small stream flows through the forest.
一条小溪流过森林。
The water in the stream is very clear.
小溪里的水非常清澈。
We can hear the sound of the stream.
我们可以听到小溪的声音。
The children are playing in the stream.
孩子们正在小溪里玩耍。
The stream is not deep, so we can walk across it.
小溪不深，所以我们可以走过去。
It is very hard to find water in the desert.
在沙漠里很难找到水。
The desert is a very dry and hot place.
沙漠是一个非常干燥且炎热的地方。
There are no rivers or lakes in this desert.
这个沙漠里没有河流或湖泊。
Some animals can live in the desert without much water.
一些动物可以在没有多少水的情况下生活在沙漠里。
We need to bring a lot of water when we visit the desert.
我们去沙漠旅游时需要带很多水。
There are two main rivers in China.
中国有两条主要的河流。
Rivers provide water for people and animals.
河流为人类和动物提供水源。
We should not throw trash into the rivers.
我们不应该往河里扔垃圾。
Some rivers are used for moving goods by boat.
一些河流被用来通过船只运输货物。
The rivers become very full after heavy rain.
大雨过后，河流的水位变得很高。
This river is the longest one in our country.
这条河是我们国家最长的河。
I can see a boat on the river.
我能看见河上有一条船。
The river flows into the big sea.
这条河流入大海。
We built a bridge over the river.
我们在河上建了一座桥。
The river is very quiet at night.
夜晚的河流非常安静。