名词
中文翻译：手提包
同义词：
['backpack', 'shoulder bag', 'briefcase']
例句：
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1. She took her small backpack to the park.
她带着她的小背包去了公园。
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2. He carried his briefcase to the meeting room.
他拿着他的公文包去会议室了。
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3. The student carried his schoolbag to the bus stop.
那个学生背着他的书包去了公交车站。