单词	rolamite
释义	rolamite noun ro·​la·​mite ˈrōləˌmīt plural -s : a nearly frictionless elementary mechanism consisting of two or more rollers inserted in the loops of a flexible metal or plastic band with the band acting to turn the rollers whose movement can be directed to perform various functions Word History Etymology roll + -amite, of unknown origin First Known Use 1968, in the meaning defined above
随便看	furibund cultellus culti cultic culticutter cultigen cultigens cultipack cultipacker cultirostral Cultirostres cultish cultishly cultishness cultishnesses cultism cultisms cultist cultists cultivabilities cultivability cultivable cultivar cultivars cultivatable

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