trine

例句：

1. 1. The scientist used a tine to analyze the chemical composition of the sample.
   科学家用一个三棱镜来分析样品的化学成分。
2. 2. The artist created a series of three-dimensional sculptures using tines.
   艺术家使用三棱镜创作了一系列三维雕塑。
3. 3. In ancient times, tines were often used in astronomy to measure the angles between stars.
   在古代，三棱镜常被用于天文测量，以测量恒星之间的夹角。