Sam clung to the sides of the nose hatch.

山姆紧紧抓住机头舱口的边缘。

I held out my hand and to my surprise, she kissed me on both sides of my face!

我伸出手，令我惊讶的是，她亲了我脸的两边！

The trapezium has one pair of parallel sides.

梯形有一对平行边。

This quadrilateral has four equal sides.

这个四边形的四条边都相等。

A scalene triangle has no equal sides.

不等边的三角形没有相等的边。