This is only a sample, what we have found up until now - the modern river bed only cuts across part of the river bed of that time. There are likely to be many more remains.

我们目前只发现了一处遗址，而现在的河床只流经过去的河床的一部分，所以应该还能发现更多的遗迹。

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The amount of garbage can be explained by the fact that residents of the neighbouring villages up the stream may throw it into the river, and here in the reservoir the garbage is piling up.

这么多的垃圾是由于在河流上游附近村庄的居民可能将垃圾扔到了河里，之后垃圾在水库这里堆积起来了。

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A bridge can prove to be dangerous for a variety of reasons; either because it's very old, narrow, too high up above the land, over a quick river or if the wooden "floor" goes missing.

一座桥危不危险有各种各样的原因，比如桥太旧，太窄，离地面太高，架在一条湍急的河上，一些木制的“地板”缺失等等。

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According to a Navy Environmental Impact Statement, the reactors will be put on barges, floated up the Columbia River to the site of the former Hanford nuclear production complex where they will be buried in a huge trench near reactors from smaller decommissioned naval warships.

CNN: USS Enterprise sailing off to history's scrap heap

Then, the first step a little matter of money aside, of course would be to dredge the river up to Lake Nicaragua.

ECONOMIST: A man, a plan, a canal—Panama? | The

The authorities decided that the lush banks further up the Hawkesbury would be perfect for farming, and thus the river became known as "the granary of the colony".

BBC: A wild river valley outside of Sydney