冲积，冲积作用...

Juliet Hulme: Daddy says the Bibles a alluviation of bunkum!朱丽叶·休默: 爸爸说《圣经》里是一大堆废话!About fifteen thousand years ago, the delta swelled and in time land was formed through alluviation.15000年以前, 古三角洲隆起,逐渐冲积成了陆地....

alluviation的音标：alluviation的英式发音音标为：[ə'lu:vɪeɪʃən]alluviation的美式发音音标为：[ə'luvɪeɪʃən]...