rust-proof

adj (of metal) treated to prevent rusting （指金属）经防锈处理的, 不锈的. v [Tn] treat (metal) this way 对（金属）作防锈处理.

rural, rural dean, rural delivery, Ruritanian, ruse, rush, rush hour, rush into, rush out, rush sb. to..., rush through, rush-hour, rushy, rusk, russet, Russia, Russian, Russian roulette, Russo-, rust, rustic, rustically, rusticate, rustication, rusticity, rustily, rustiness, rustle, rustler, rustling, rusty, rut, rutabaga, ruthless, ruthlessly, ruthlessness, rye, S, S, s, S-bend,