ChristmasCracker is a cardboard paper tube, wrapped in brightly coloured paper and twisted at both ends.
圣诞拉炮是用硬纸板做的纸筒，再用色彩鲜艳的彩纸包裹在外面，两端拧紧。
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The cracker was soon adopted as a traditional festive custom and today virtually every household has at least one box of crackers to pull over Christmas.