每条河流都有上游、中游、下游。
Every river has its upper, middle and lower reaches.
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事实上每条河都有上游、中游和下游。
Practically every river has an upper, a middle and a lower part.
Practially every river has an upper, a middle and a lower part.
每条河都有上游、中游和下游。
Every river has an upper, a middle and a lower part.
应用推荐
模块上移
模块下移
不移动