The sand stratum in old river bed is important factor affecting stability of dam.

古河道砂层的存在，是影响围坝稳定的主要环境因素。

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When the old man paid his last visit to my father, the latter, himself bed-ridden, was at a river-side villa in Chinsurah.

当这位老先生最后一次拜访我父亲时，我父亲已在钦苏拉河边的别墅里卧床不起了。

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For a long while he did not stir, but lay unmoving upon the heap of old sacks that served him for a bed, listening to the wind in the lines, to the lapping of the river at the hull.

很长时间，他都没有翻身，只是一动不动的躺在当做床的旧麻袋上，听着呼啸而过的风声和浪一下下拍在船舷上的声音。

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