richness

n.富饶，富有

rhyming slang, rhythm, rhythm and blues, rhythm method, rhythmic, rhythmically, RI, rib, rib-cage, rib-tickling, ribald, ribaldry, ribbon, ribbon development, riboflavin, rice, rice-paper, rich, riches, richly, Richter scale, rick, rickets, rickety, rickshaw, ricochet, rid, riddance, ridden, riddle, ride, ride down, ride off, ride on, ride over, rider, ridge, ridge-pole, ridge-tile, ridgeway,