alluviation

基本解释

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，逐漸沖積成了陸地。
And becomes by alluviation of these 3 Jiangshui in successive years 3 rivers Campagna, also ripe humanness knowledge.
而由這三條江水連年沖積而成的三江平原,亦熟爲人識。
Before 1000000000, here ever was the sea, current flow falls, a few degrees of alluviation, kept this land eventually.
千百萬年前,這裡曾是滄海,潮漲潮落,幾度沖積,終於畱下了這塊土地。
Shijiazhuang reposes in the alluviation of sector of river of Hu a small bay in a river that has long history and bright culture on Campagna.
石家莊座落在具有悠久歷史和燦爛文化的滹沱河扇形沖積平原上。
Bengladesh is famous for floods. Flood bring disast to them, at the same time, it can fetlilize the field . There are many rivers around Bengladesh . It formed by alluviation.
孟加拉國以洪水爲名，洪水帶來災難的同時也給土壤帶來了豐富的肥料。這個國家的河流特別多，它就是河流沖積而形成的一個國家。