The deeper part of a river or harbor, especially a deep navigable passage.

河流或港湾较深部分，尤指深水航道。

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They cleaned up the river as part of a week-long environmental camp.

他们清理了这条河，这是为期一周的环保营的一部分。

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For example, in the 1800s a monstrous earthquake changed the course of the Mississippi River, a large river flowing in the central part of the United States of America.

例如，在19世纪，一场大地震改变了密西西比河，一条流经美国中部的大河的流向。

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On March twenty-seventh,nineteen twelve, Missus Taft and the wife of the Japanese Ambassador together planted two trees at a part of the river called the tidal basin.

VOA: special.2011.04.08

Maybe on the campus tour they kept you away from this part of the campus, but if you go over to the east close to the river there is a building called "the library."

可能在校园旅游的时候，他们故意让你们远离,校园的这个部分，但是如果你们到达东区，接近河流的地方,有一座建筑物，叫图书馆“

麻省理工公开课 - 固态化学导论课程节选

It provided a calm, safe route west next to the river, which is nearly dry upstream part of the year but whose rapids rage in springtime.

VOA: standard.2010.04.29

Moody and sublime, the painting is part of a celebrated series Monet painted of the Thames River in the early 20th century.

FORBES: Monet's Moody Masterpiece

The sting took place in a dingy residential district of five-story apartment blocks on the outskirts of Dongguan, a city that is part of the Pearl River megalopolis extending from nearby Guangzhou to Hong Kong, 60 miles away.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport

This two-and-a-half mile section of the river cautiously opened to the public in 2011 as part of a pilot programme.

BBC: Paddling Los Angeles�� rebounding river