| 词汇 | briefcase |
| 词根词缀 | 词源： "portable folding case for holding papers," 1926, from brief in the paper sense + case. 词根记忆： n. 手提箱,公事皮包I was in such a hurry that I left my briefcase at home.我太匆忙了,以致于将公事包留在家里. |
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