twelfths发音名词1十二分之一twelfth 的复数Three twelfths of the cake equals one quarter of it.蛋糕的十二分之三等于四分之一。2第十二、第十二名少用The two teams finished twelfths in their respective leagues.这两支队伍在各自的联盟中都排第十二名。用这个字练口说→