形容词
中文翻译：切线的
同义词：
['parallel', 'perpendicular例句：1. The line of the road is parallel to the street.（这条路线与街道平行。）2. The angle between the two lines is perpendicular.（这两线之间的夹角是垂直的。）']
例句：
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1. The line of the road is parallel to the street.
这条路线与街道平行。
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2. The angle between the two lines is perpendicular.
这两线之间的夹角是垂直的。
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3.The tangential force is responsible for the rotation of the object.
切向力是物体旋转的原因。