(adj.) (of a triangle) having two sides of equal length .
弗朗西斯整理
双语例句
For example, Thales saw that the angles at the base of an isosceles triangle are equal, and that when two straight lines cut one another the vertically opposite angles are equal. 李贝.西洋科学史.
The rubber is molded in long strips in some form of isosceles triangle, depending on the style of the game to be played. 佚名.神奇的知识之书.