Tie the laces together, stretch them between two tree trunks, tie them around and hang the plastic over, like a tent.

把鞋带连在一起，绕过两棵树系起来，把塑料布放在上面，像一个帐篷。

youdao

If you stretch them out you will find they contain certain genes, certain sequences of DNA that help determine how the cells of the body will develop.

如果你把它们展开，你会发现它们含有特定的基因，特定的 DNA 序列，这些基因序列有助于决定身体细胞的发育。

youdao

And stretch them all around.

相上下左右伸展手臂。

youdao

"We had only to stretch out our hands and take them.

VOA: special.2009.11.05

Well you could stretch it and say that an example of engineering to improve human health is getting them from one place to another, but that would be more of a stretch than I'm going to make.

你只能勉强地说,这个工程学成果能通过把人们从一个地方,带到另一个地方来提高人的健康水平,我只能联想到这个程度

耶鲁公开课 - 生物医学工程探索课程节选

We want to challenge the opposition and stretch them and Brian will be at the forefront of that.

BBC: Flood applauds new Johnson regime

And some parents teach at home because their children are brilliant and public school fails to stretch them.

ECONOMIST: The growth of home-schooling

During two- or three-week residential courses they are exposed to university-level tuition in an effort to stretch them further and broaden their academic interests.

BBC: NEWS | UK | Education | Gifted schools 'getting better'