briefcase
柯林斯词典
1. N-COUNT A briefcase is a case used for carrying documents in. 公文包
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briefcase /ˈbriːfˌkeɪs/ (briefcases)
剑桥词典
- a flat rectangular bag , used especially for carrying business documents
公文包，公文包 返回 briefcase
公文包，公文包 返回 briefcase