单词	headwater
释义	headwater /ˈhɛdwɔːtə / noun (usually headwaters) A tributary stream of a river close to or forming part of its source: these paths follow rivers right up into their headwaters [as modifier]: headwater erosion... Swindon's location, so close to the headwaters of the River Thames, does not sit well with the normal sewage treatment works programme that allows some dilution effect to deal with pollution. Rather than gushing down a lush mountainside, the headwaters of the river seen in The Source puddle prosaically beside a suburban high school. Upland valleys and the headwaters of fast-flowing rivers descend to the coast through some of the world's largest swamps.
随便看	apparent movement apparent solar time apparent time apparent wind apparition apparitional appeal appealable appeal court appealer appealing appealingly appeals court appear appearance appearance money appear in print appease appeasement appeaser Appel, Karel appellant appellate appellation appellation contrôlée

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