raw material

n.原材料

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