adj.六倍的；六重的；六折的
adv.六倍地；六重地；六折地
Close to 19 million students are enrolled, a sixfold jump in one decade. 錄取學生數(shù)達到約1900萬，是十年前的六倍。
Circulation rose sixfold while he was there. 他在任的期間里，雜志的銷量番了六倍。
