经过: pass; go through; go by多年: many years的: 4次方是 The fourth power of 2 i ...发展: develop; expand; grow; burge ...经过改革开放20多年的发展: with more than 20 years of the development of opening and reform多年的: perennial; secular爱因斯坦的理论经过多年才被人们接受: it took years for einstein's theory to gain acceptance多年的顽石: rock of ages经过一年的: yearlong大家经过多少年的努力才取得今天的成绩: through years of our painstaking efforts we have at last achieved what we have today童年的发明: invention of childhood行经,月经过多: menorrhea月经过多: excessive menstruation; frequent mictruaition; heavy periods; hypermenorrhea; menometrorrhagia; menorrhagia; profuse menstruation生了多年的气: stay angry for years劳伤月经过多: over-strained hypermenorrhea气虚月经过多: hypermenorrhea with qiasthenia; menorrhagia due to deficiency of vital energy稀发月经过多: oligohypermenorrhea行经, 月经, 月经过多: menorrhea血热月经过多: hemopyretic hypermenorrhea; menorrhagia due to blood-heat月经过频过多: epimenorrhagia多年的艰辛劳动: years of hard work阔别多年的老朋友: a long separated old friend离家多年的瑞比: rebbie已有500多年的历史了: the gutenberg bible was printed on a hand press with type made of lead致失散多年的朋友: to a long lost friend