欧路词典
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n. 源头,上游
n.
联想词
tributary纳贡的;confluence,,交;river,江;watershed分水岭;creek小溪;upstream向上游;estuary口;downstream在下游;basin盆地;waterway水路;valleys;

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heat lamp, heat of fusion, heat of solidification, heat of vaporization, heat pump, heat rash, heat shield, heat sink, heat stroke, heat wave,

相似单词


head-to-toe, headwaiter, headwall, headward, headwater, headwaters, headway, headwear, headwind, headword,