1.Two and a half meters below its waterline, there gaped a symmetrical gash in the shape of an isosceles triangle.

在船身吃水线下两米半地方，露出一个很规则等边三形。

2.Somehow, rhomboids and isosceles right triangles didn't seem so important.

不知道为什么 菱形和等腰直三形似乎没有那么重要。

3.They were tired of learning isosceles triangles, isotopes and writing in italics.

他们学习等腰三形，同位素和书写斜体字。

4.It was an adult, as could be seen from the six rows of teeth forming an isosceles triangle in its upper jaw.

这是一条成年鲨鱼，从它嘴里，在上颚上，有摆成等边三形六排牙齿，就可以看出来。

5.For example, the isosceles or the scalene, or really any much either of these two can also be a " right angle triangle" .

例如，等腰或斜，或者这两者中任何一个都可以是“直三形”。机翻