cracker
noun uk/ˈkræk.ər/ us/ˈkræk.ɚ/
(FOOD)
A1 [ C ]（尤指与奶酪一起食用的）薄脆饼干
a thin, flat, hard biscuit, especially one eaten with cheese
(DEVICE)
[ C ] UK彩包爆竹，彩色拉炮（装有小玩具、糖果等的彩纸筒，抓着两端拉开时会噼啪作响）
a paper tube with small toys, small pieces of sweet food, etc. inside, that is covered with bright paper and makes a short, sharp sound when both ends are pulled
Who wants to pull a cracker with me? 谁想跟我一起拉彩炮？
a Christmas cracker 圣诞彩包爆竹
[ C ] UK爆竹，鞭炮
a firework that explodes with a loud noise
(GOOD THING)
[ S ] UK informal出色的人（或物），顶呱呱的人（或物）
a person or thing that is very good or has a special exciting quality
She's written five books, and every one is a cracker. 她写了5本书，每本都很棒。