Reol雷奥尔reprep.关于pref.再，重新n.长音阶的第二音reiterative diction叠字reynolds experiment雷诺实验re-education campph.reusable subroutine可重用子例行程序re-entry vehicles再入飞行器Reusable components可重用部件reradiating surface再辐射面Re-entry aircraft再入飞行器re-railing device复轨器Reological property流变性