ray

n.光线，射线

ravage, rave, ravel, raven, ravening, ravenous, ravenously, raver, ravine, raving, ravings, ravioli, ravish, ravishing, ravishingly, raw, raw material, raw-boned, rawhide, rawness, ray (also re), rayon, raze, raze (also rase), razor, razor-back, razor-blade, razor-edge, razor-sharp, razz, razzle, razzmatazz, RC, RCM, RD, re, re-, re-count, re-create, re-creation,