单词	open water
释义	open water noun plural open waters : water that is clear of obstacles to passage or view : water that is open (see open entry 1 sense 7a) The word marsh conjures up a mental picture of a soggy, flat area filled with cattails and other herbaceous vegetation, with ducks sitting on patches of open water. Robert H. Mohlenbrock often, specifically : water that is free of ice When the river froze in the fall, a mile of open water had been left between two mighty jams. Jack London Polynyas were areas of persistent open water, found throughout the circumpolar arctic, places kept ice-free by currents and wind patterns. David R. Masiel Because the penguins feed in the ocean, they typically set up colonies near open water and must establish new nests when the coastline becomes covered in … ice. Science News Word History First Known Use 1625, in the meaning defined above
随便看	traiking traiks trail trail (along) behind/after trail after trail along after trail along behind trail angle trail arms trail away trail away/off trail behind trail bike trail board trail boss trail bridge trail car trail cutter trail ferry trail goes cold trail handspike trail herd trail knee trail man trail mix

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