1.
benches arranged in a triangle
排成三角形的长凳.
2.
divide into triangles or give a triangular form to.
分成三角形或给出一个三角型。
3.
Entitled to sickness benefit
（组成三角形、矩形等平面图形的）边
4.
triangular pediment
成等边三角形的三角墙
5.
Made up of or marked with triangles.
三角形的由三角形组成的或用三角形表示的
6.
composed of or marked with triangles.
由三角形组成或用三角形表示。
7.
Color the triangles yellow.
把三角形涂成黄色。
8.
Fold the paper and make a triangle.
把纸对折成一个三角形。
9.
A right triangle is formed by lines joining points SPQ.
SPQ三点联结后即构成一个直角三角形。
10.
A similar deposit at the mouth of a tidal inlet, caused by tidal currents.
三角洲海湾入口处三角形沉淀区域，由潮汐形成
11.
The Properties for Triangles of Which Sides or Interior Angles are Equiratio Sequences;
边或内角成等比数列的三角形的性质
12.
calculate the area of the triangle thus formed
计算这样形成的三角形的面积
13.
Ascending Triangle
上升三角形、平顶三角形
14.
an equilateral triangle
等边三角形,正三角形
15.
equilateral roof
(其跨度和椽子形成一等边三角形) 等角屋顶
16.
Draw a diagonal line to divide the square into two triangle
画一条对角线,把正方形分成两个三角形
17.
Draw a diagonal line to divide the square into two triangles.
画一条对角线,把正方形分成两个三角形。
18.
three men, standing silent, formed a triangle, of which he was the centre.
三个人默默地站成一个三角形，而他是那个三角形的中心。