bubble gum

chewing-gum that can be blown into bubbles 泡泡糖（可吹成泡泡的口香糖）.

brusqueness, Brussels, Brussels sprout (also sprout), brutal, brutality, brutalize, -ise, brutally, brute, brutish, brutishly, BS, BSc, BSI, BST, Bt, BTA, Bthu (also Btu), bubble, bubble and squeak, bubble bath, bubbly, bubonic plague, buccaneer, buck, buck-tooth, bucked, bucket, bucket seat, bucket-shop, buckeye, buckle, buckram, buckshee, buckshot, buckskin, buckwheat, buckwheat flour, bucolic, bucolics, bud,