cracker [ˈkrækə(r)]

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n.（无甜味的）薄脆饼干

a thin flat crisp (= hard enough to break ) biscuit , especially one eaten with cheese

Buy me some peanuts and cracker. 给我买一些花生和饼干。
There was a cracker beside every place at the table. 桌上每个位置旁都有彩包爆竹。