“box canyon”的概念、定义、翻译、参考文献-科学参考

单词	box canyon
释义	box canyon [`bäks ´kan·yǝn] ^GEOGRAPHY A canyon with steep rock sides and a zigzag course, that is usually closed upstream.
随便看	pi-mu atom pin pinacocyte pinacoid pinacoidal class pinacoidal cleavage pinakiolite Pinales Pinatae pin bar pinboard pincer pinch pinch-and-swell structure pinch bar pinch effect pinch graft pinch grasp pinch-off pinch-off blades pinch-off voltage pinch pass pinch point pinch resistor pinch roller

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