ridiculous

a.荒谬的，可笑的

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, ridicule, ridiculously, ridiculousness, riding, riding-crop, riding-school, rife, riff, riff-raff, riffle, riffraff, rifle, rifle-range, rifleman, rifling, rift, rift valley, rig, rig-out, rigging, right,