tributaries例句

In such areas small tributaries or gullies will not show.
在这些地区,小的支流和冲沟显示不出来.

These tributaries are subsequent streams which erode strike valley.
这些支流系即为蚀出走向谷的次生河.

A river and its branches ( or tributaries ) form a river system.
河流与其支流形成河系.

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