tributaries的例句（tributaries在句子中的用法）

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