单词	rubber boa
释义	rubber boa noun variants or rubber snake : a harmless blunt-tailed snake (Charina bottae) of the family Boidae that is rubbery in smoothness and suppleness of appearance, usually less than 18 inches long, and found in the moister regions of western North America called also ball snake, two-headed snake Word History First Known Use 1897, in the meaning defined above
随便看	rubs out rubs the wrong way rubs up rubstone rubstones rubus rubuses rubusses ruby ruby blende ruby copper ruby copper ore ruby fly ruby glass ruby grass ruby laser ruby port ruby silver ruby silver ore ruby spaniel ruby spinel ruby wasp ruby wine ruby wood ruby zinc

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