fractionalKK [ˋfrækʃənəl] /ˈfɹækʃənəl/发音形容词1极小的、微小的、些微的The two designs differ by only a fractional amount in weight.这两款设计在重量上只有极小的差异。2部分的、零碎的、分割持有的商业The app lets small investors buy fractional shares of expensive stocks.这个应用程式让小额投资人能购买高价股票的零股。3分数的数学Students often struggle with fractional exponents in algebra class.学生在代数课上常对分数指数感到吃力。4分馏的化学Crude oil is separated into useful products by fractional distillation.原油透过分馏被分离成各种有用的产品。用这个字练口说→