“尽管这些措施不会永远有效，但对目前至关重要”他说。

"Although these measures are not effective forever, they are vital for now," he says.

youdao

现在的事情可能会让你感到压力，但压力不会永远持续下去。

Things may feel stressful right now, but it won't last forever.

youdao

我们可以使用的所有能量都不会永远持续下去。

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

youdao

So, for example, hydrogen or fluorine they'll never be in the middle, they'll always be on the end of a molecule.

比如，氢或者氟,永远不会在中间，它们总是会在分子中最边缘的位置。

麻省理工公开课 - 化学原理课程节选

The thing about being human is, unlike the rat, you're not just going to stay caught up in the moment.

人类不同于老鼠，我们不会永远驻足于瞬间。

耶鲁公开课 - 死亡课程节选

Now, if that potential changed and it stayed changed forever, then the cell would never go back to its resting state.

如果电势变化并且不再恢复到原始电势,细胞就永远不会回到静息状态

耶鲁公开课 - 生物医学工程探索课程节选