名词
中文翻译：切线
同义词：
['cut line', 'incise line例句：1. The carpenter carefully cut the exsecant to fit the frame perfectly.（木匠小心翼翼地切线，使框架完美契合。）']
例句：
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1. The carpenter carefully cut the exsecant to fit the frame perfectly.
木匠小心翼翼地切线，使框架完美契合。
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2.The painter used an exsecant to outline the room before painting.
画家使用一个割线来在绘画前勾勒房间的轮廓。
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3. The engineer measured the length of the exsecant and marked it on the plan.
工程师测量了割线的长，并在图纸上做了标记。