单词	Serpentine
释义	Serpentine, theSerpentine, the a lake in hyde park in London. It is a custom for some people to swim in it on Christmas Day.
随便看	back office backpack backpacker backpacking backpedal backrest backroom boy back-scratching back seat backside backslapping backslash backslide backslider backspace backspin backstabber backstabbing backstage back story backstreet backstroke backtalk back-to-back backtrack

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