voluble
adj.
early 15c., "liable to constant change," from Middle French voluble, from Latin volubilis "that turns around, rolling, flowing," figuratively (of speech) "fluent, rapid," from volvere "to turn around, roll" (see volvox). Meaning "fluent, talkative" first recorded 1580s. Related: Volubly.
〔蒋〕[volu转，-ble可…的，易…的] 易旋转的，(言词)流利的
〔李〕[volu (volut)=to roll滚；转；-ble (-able) a.=easy to易……的→] a. ① easy to roll易滚动的；易旋转的