“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	symphysis pubis Symphyta symplectic group of dimension n symplectic transformation symplectite symplektite symplesite sympodium symptom symptomatology sym-tetrachlorodifluoroethane sym-tetrachloroethane sym-trioxane synadelphite Synallactidae synandrous synangium synantectic synantexis Synanthae Synanthales synapse synapsis synaptic transmission synapticulum

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