bucolic

adj. 乡村的，牧羊的

bubble and squeak, bubble bath, bubble gum, bubbly, bubonic plague, buccaneer, buck, buck-tooth, bucked, bucket, bucket seat, bucket-shop, buckeye, buckle, buckram, buckshee, buckshot, buckskin, buckwheat, buckwheat flour, bucolics, bud, Buddha, Buddhism, Buddhist, budding, buddy, budge, budgerigar, budget, budget account, budgetary, budgie, buff, buffalo, buffer, buffet, buffet car, buffoon, buffoonery,