单词：headwaters
音标：['hedwɔ:tә(r)] ；
n. 源头, 上游
n the source of a river
词型变化：名词复数形式 : headwaterss
词性分布：
headwaters的用法和样例：
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。
