butterfly

n.蝴蝶，蝶形

buster, bustle, bustling, busty, busy, busy oneself in, busybody, but, but for, butane, butch, butcher, butcher's shop, butchery, butler, butt, butter, butter-bean, butter-fingers, buttercup, buttermilk, butterscotch, buttery, buttock, button, button mushroom, button up, button-down, buttoned up, buttonhole, buttonhook, buttress, buxom, buy, buy off, buy out, buy up, buyer, buzz, buzz off,