基本解释n.河源上游同根派生 headwaters相关词英汉例句用作名词 (n.)They were born in the headwaters of some stream.他们是出生在某一小河上游源头。These mountain slopes feed the true headwaters of the Ganges.这些山脉才是恒河水的真正源头。headwaters更多例句英英字典剑桥英英字典 streams that flow into a larger river close to where it startsheadwaters剑桥字典headwaters柯林斯字典