It's something that will last forever.

这是一种会永远持续下去的东西。

youdao

All the energy we could ever use won't last forever.

我们可以使用的所有能量都不会永远持续下去。

youdao

To young children, a year might seem to last forever.

对于年幼的孩子来说，一年似乎可以永远持续下去。

youdao

Life was like a dream. But like any dream, it could not last forever.

VOA: special.2011.02.17

I mean, they last forever. You can keep them on for... like a month or something. Yeah, it's awesome.So, yeah.

它们可以维持很久。你可以把他们留在阅读器里，长达一个月。是的，太棒了，嗯。

我的爱好是读书 - SpeakingMax英语口语达人

The cookies were going back and forth and back and forth and the hearts up and down, well, this thing that we had that called a loop last week with a forever block with a statement inside of it is simply gonna look a little something like this.

这些饼干人来来回回的移动,还有这些爱心们上上下下地漂浮,都用到我们上周提到过的循环结构,当然还有个声明在里面，就有点像屏幕上,显示的这样。

哈佛公开课 - 计算机科学课程节选

Just when people start thinking they'll last forever, the phases are ready to change.

FORBES: Dow Jones Interactive

Tebow-Mania was imperfect and couldn't last forever, but it's too much fun to quickly forget.

WSJ: Jason Gay: Tebow-Mania Ends...For Now

The weather is pleasant now in Sydney -- but that won't last forever, either.

CNN: ASIANOW - TIME Asia | Asia Buzz: Rough Weather Ahead?