单词	rock brake
释义	rock brake noun : any of several ferns that grow chiefly on or among rocks Word History First Known Use circa 1850, in the meaning defined above
随便看	rivulariaceous rivulet rivulets rivuli rivulose Rivulus rivuluses rivulusses rix rix-dollar rixdaler rixdalers rixies rixy Riyadh riyadhs riyal riyals riz Rizal Rizal Day rizas rizotto rizzar Rizzio

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