名词
中文翻译：滚动条
同义词：
['scroll', 'scrolling bar', 'scrolling wheel', 'scrolling slider']
例句：
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1. The user canadjust the scroll bar to see more information.
用户可以调整滚动条以查看更多信息。
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2.The software has a built-in scroll bar that allows users to navigate through large documents easily.
该软件内置了滚动条，使用户可以轻松地浏览大型文档。
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3.The teacher used a scroll bar to help students understand the material better.
老师使用滚动条帮助学生更好地理解材料。