ricochet

n [U, C] ~ (off sth) (hit made by a) rebound of this kind 弹回: the constant ricochet of bricks and bottles off police riot shields 砸在警察防暴盾牌上的砖块和瓶子不断弹回来.

RI, rib, rib-cage, rib-tickling, ribald, ribaldry, ribbon, ribbon development, riboflavin, rice, rice-paper, rich, riches, richly, richness, Richter scale, rick, rickets, rickety, rickshaw, rid, riddance, ridden, riddle, ride, ride down, ride off, ride on, ride over, rider, ridge, ridge-pole, ridge-tile, ridgeway, ridicule, ridiculous, ridiculously, ridiculousness, riding, riding-crop,