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1·The river system of the Mississippi River and the Missouri River is the longest river system in North America at 3,902 miles.

密西西比河和密苏里河水系是北美最长的水系，全长3902英里。

2·Bottom ground is land in the floodplain of the Missouri River.

低地指的是指密苏里河滩上的地。

3·In the spring of 2011, it was the Missouri River flooding for months.

在2011年的春天，密苏里河已经泛滥数月。

4·In the spring of 1805, the men started up the Missouri River again.

1805年春，这些人又继续逆密苏里河上行。

5·A city of northeast Kansas on the Missouri River northwest of Kansas city.

美国堪萨斯州东北一城市，位于密苏里河河畔，堪萨斯城西北部。

6·In the past two weeks, his team has focused on the Missouri River flooding.

在过去的两周里，他的团队致力于米索里河的洪水。

7·A river, about 200 km (124 mi) long, flowing from central Montana northward to the Missouri river.

朱迪思河：发源于蒙大拿州中部的河流，向北流入密苏里河，全长约为200公里124英里。

8·The state fears at least 20 levees have been compromised in low-lying communities along the Missouri River.

在沿着密苏里河的低洼地区，该州担心至少有20处防堤被洪水淹没。

9·Hugh Glass was a frontiersman working in the upper Missouri river area in the early years of the 19th century.

休·格拉斯是一位19世纪前期在密苏里河上游工作的拓荒者。

10·A home breaks apart as it is engulfed by Missouri River flood waters in the Hoge Island area of Bismarck, N. D.

在北达科他州俾斯麦市的霍格岛地区，一座房屋被上涨的密苏里河水围困。