buckeye

n (US) 1 horse-chestnut tree 七叶树. 2 its shiny reddish-brown nut （七叶树的）坚果（光滑, 呈红褐色）.

BS, BSc, BSI, BST, Bt, BTA, Bthu (also Btu), bubble, bubble and squeak, bubble bath, bubble gum, bubbly, bubonic plague, buccaneer, buck, buck-tooth, bucked, bucket, bucket seat, bucket-shop, buckle, buckram, buckshee, buckshot, buckskin, buckwheat, buckwheat flour, bucolic, bucolics, bud, Buddha, Buddhism, Buddhist, budding, buddy, budge, budgerigar, budget, budget account, budgetary,