割两块硬纸板，再把它们粘在一起。 Cut out two pieces of cardboard and gum them together.
彩包爆竹外面包有装饰性硬纸板的小圆筒，里面装有糖果或聚会纪念品，从一端或两端同时拉出纸绳时，会发出爆裂声 A small cardboard cylinder covered with decorative paper that holds candy or a party favor and pops when a paper strip is pulled at one or both ends and torn.
