side opposite the angle

常见例句

Using a mirror to look a item , the reflect light from the mirror will reflects from an opposite side as the same angle.
用镜子看物体时，从物体发出的入射光线以相同的角度沿相反的方向反射回来。
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For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given angle in a right triangle to the hypotenuse.
一些人需要复习一点数学课程，正弦的作用是给出在一个直角三角形中的一个已知角所对应的一条边与直角三角形斜边之间的比率。
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The side of a right triangle opposite the right angle .
纸的两个纸规边要成直角。