“river tracing”的概念、定义、翻译、参考文献-科学参考

单词	river tracing
释义	river tracing Encyclopedia 教育学体育休闲与娱乐释 river trekking；river tracing溯溪运动由溪流的中下游溯行至上游源头的溪谷攀登项目，冒险性高且需具备多种技巧。
随便看	Perseverance Pershing missile Persia persian cat Persian costume Persian curve Persian Empire Persian Gulf Persian language Persian literature Persian Miniatures Persians Persian temple persimmon persimmon angular leaf spot persimmon calyx persimmon fruit persimmon leaf spot Persimmons persistence Persistence of Vision persistence of vision persistence of vision, visual persistence persistent atrial fibrillation persistent chemical substance

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