It is not unusual for the roots of some desert perennials to extend downward more than ten meters.

一些沙漠多年生植物的根向下延伸十米以上，这并不少见。

youdao

The caves extend for some 12 miles.

这些洞穴延伸约12英里。

《柯林斯英汉双解大词典》

This could be because you have to debug or extend it, or just because you just want to know how it works to get some ideas for your own projects.

这可能是因为您必须要调试或扩展此程序，也可能是因为您想要了解其工作原理以便为自己的项目做一些参考。

youdao

This is some of her advice: Before competition, extend your nightly sleep for several weeks to reduce a sleep debt.

VOA: special.2010.06.09

He would simply extend his prayer duration for some beloved rays of warmth to thaw out the ground.

BBC: Clive Stuart-Smith column

Bullish action in Gilead options this morning suggests some strategists are positioning for the stock to extend gains.

FORBES: Options Players Jump Into Gilead After Hep C Data, Ford And GM Burn Rubber On Jobs Report

Also, the online software or curriculum will obviate the need for lesson planning for most teachers, even as some teachers may have to figure out how to extend curriculum and offer other pathways though the learning for different students.

FORBES: A Hope for Future Irrelevance