bustling

adj. 忙碌的，活跃的

busier, busiest, busily, business, business address, business card, business hours, business studies, businesslike, businessman, busing, busk, busker, busking, busman, bust, bust-up, bustard, buster, bustle, busty, busy, busy oneself in, busybody, but, but for, butane, butch, butcher, butcher's shop, butchery, butler, butt, butter, butter-bean, butter-fingers, buttercup, butterfly, buttermilk, butterscotch,