triplite

例句：

1. 1. The triplite lens is used to focus light onto a screen.
   三棱镜透镜用于将光线聚焦到屏幕上。
2. 2. The triangular shape of the building is reminiscent of the Greek temple.
   这座建筑的三角形形状让人想起古希腊神庙。
3. 3. The trigonometric function is used to calculate the angle between two points on a plane.
   余弦函数用于计算平面上两点之间的夹角。