河的英文：river。
river详细释义：
1、（abbr.R.）河；江。
a natural flow of water that continues in a long line across land to the sea/ocean.
the River Thames
泰晤士河
the Hudson River
哈得孙河
on the banks of the river（=the ground at the side of a river）.
在河岸上。
to travel up/down river（=in the opposite direction to/in the same direction as the way in which the river is flowing）.
逆流而上；顺流而下。
the mouth of the river（=where it enters the sea/ocean）.
河口。
2、river（of sth）.
（液体）涌流。
a large amount of liquid that is flowing in a particular direction.
Rivers of molten lava flowed down the mountain.
大量的熔岩顺着山坡流下来。
river例句：
1、The university is on the left bank of the river.
大学在河的左岸。
2、I could sit and watch the river all day long.
我可以整天坐在这里看那条河。
3、They followed the line of the river for three miles.
他们沿着那条河走了三英里。
4、The scientists are taking water samples from the river.
科学家正从河中采水样。
5、That's where the river meets the sea.
这条河就在这里流入大海。
6、Here the river is confined in a narrow channel.
这条河在这里流入狭窄的河床。