单词	avalanche
释义	avalancheavalanche /ˈævəˌlæntʃ, -ˌlɑntʃ/ noun [countable] Etymology ETYMOLOGYavalanche Origin: 1700-1800 French French dialect lavantse, avalantse 1 earth science a large amount of snow, ice, and rocks that falls down the side of a mountain2an avalanche of something a very large number of things such as letters, messages, etc. that arrive suddenly at the same time [Origin: 1700–1800 French, French dialect lavantse, avalantse]
随便看	uncalled for uncannily uncanny uncared for unceasing unceasingly unceremonious unceremoniously unceremoniousness uncertain uncertainly uncertainty unchallenged unchanged unchanging uncharacteristic uncharacteristically uncharitable uncharted unchecked unclaimed uncle unclean unclear Uncle Sam

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