为了节省空间，编辑用省略号缩短了这段冗长的引文。

To save space, the editor used ___ellipses to shorten the lengthy quotation.

他在信中写道'我在想...'，使用了省略号表示犹豫。

He wrote 'I was thinking...' in the letter, using ___ellipses to show hesitation.

这个游泳池的形状是一个完美的椭圆。

The swimming pool has the shape of a perfect ___ellipse.