briefcase
US /ˈbriːf.keɪs/
UK /ˈbriːf.keɪs/

名词
1.
公文包
a case with a handle, for carrying papers, documents, etc.
示例:
•
He carried his important documents in a leather briefcase.
他用一个皮公文包装着重要文件。
•
She opened her briefcase and pulled out a file.
她打开公文包,拿出一个文件。
在 Lingoland 学习这个单词