音标：['krækә]
n. 饼干, 爆竹
【计】 破袭者
【化】 裂化器; 裂解器; 裂化装置; 裂解装置
字博缘文学网在线英汉词典
cracker的短语、例句：
cracker
n
1 thin flaky dry biscuit, typically eaten with cheese 薄脆饼乾（多与乾酪一起食用）.
2
(a) small firework that explodes with a sharp sound 爆竹; 鞭炮.
(b) (also Christmas cracker) party toy consisting of a cardboard tube wrapped in paper that makes a sharp explosive sound as its ends are pulled apart, with a small gift, paper hat, etc inside 彩包爆竹（一种宴会时的娱乐用品, 为一硬的纸筒, 内装小件礼品、 纸帽等, 用纸包裹好, 两端一拉即噼啪作响）
a box of crackers 一盒彩包爆竹.
3 (Brit infml approv 口, 褒) attractive girl or woman 迷人的姑娘; 有魅力的女子
What a little cracker she is! 她真是小美人!
4 crackers [pl]
= nutcrackers (nut).
cracker