The road and the canal are parallel to each other.

道路与运河平行。

《牛津词典》

And if they are parallel, they stay parallel.

如果它们是平行的，还是会保持平行。

youdao

How do we decide if two vectors are parallel?

我们平时怎么验证两个向量平行呢？

youdao

These lines,or circles,are parallel -- meaning that they are equally distant from each other at any point around the world.

VOA: special.2010.07.14

Very similar, parallel stories, and yet there are significant contrasts between the Mesopotamian story and its Israelite adaptation.

比较苏美尔版与犹太人版的故事,非常相似，但是同时有很大的对比。

耶鲁公开课 - 旧约导论课程节选

All of the businesses are in Madison Avenue, one block away, parallel.

商业机构都在隔这儿一个街区的麦迪逊大道，它跟这条街是平行的。

第五大道的另一面 - SpeakingMax英语口语达人

This works best when the electrodes are parallel with each other, which means they need to have smooth surfaces.

ECONOMIST: Electricity storage

The timelines of "The Bourne Ultimatum" and "The Bourne Legacy" are parallel to one another, although you won't see Jason Bourne in this installment.

CNN: How Tony Gilroy came back to 'Bourne'

Grab the seat of your chair to brace yourself and extend your legs straight out in front of you so they are parallel to the floor, then release slowly to work out your muscles.

FORBES: 5 Easy Desk-Approved Exercises