动词
中文翻译：卷起
同义词：
['tie', 'fold', 'roll', 'sling']
例句：
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1.She rolled up her sleeves and started working on the project.
她卷起袖子开始做这个项目。
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2. He rolled up his shirtsleeves to show off his muscles.
他卷起衬衫袖子来展示他的肌肉。
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3. The team folded their flags in unison before the game began.
在比赛开始前，队伍整齐地折叠了他们的旗帜。