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Colluvial deposits at the foot of valley slopes usually affect only narrow strips of valley bottom.河谷坡腳處的崩積體通常只影響到谷底較窄的地帶....

colluvial的音標(biāo)：colluvial的英式發(fā)音音標(biāo)為：[k?'lu:v??l]colluvial的美式發(fā)音音標(biāo)為：[k?'luv?rl]...