In terms of stream flow, there are three general types of streams : ephemeral , intermittent, and perennial.

根据河川的经流, 河流通常可分为三种类型: 季节性河流 、 间歇性河流和常流河.

辞典例句

A clear stream flow swiftly ahead from the creek.

一股清流从山涧里奔涌而出.

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On average, plantations cut local stream flow by more than 50 %.

平均而言, 植树使当地水流量的减少幅度超过了50%.

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