The phosphorus at the bottom of the ocean has to somehow make its way back to the surface, to complete the cycle, to begin the cycle all over again.

海底的磷必须找到某种方式回到表面，以完成这个循环，从而重新开始这个循环。

youdao

All 33 trapped miners made it back to the surface after 69 days underground.

全部33名被困在地下69天的矿工终于回到了地表。

youdao

Books like his may help force the atrocities, and the debate, back to the surface.

此类书籍或许能促使这种虐政公之于众，使争论回到问题表面。

youdao

Then the snow's surface will help to send back sound waves.

VOA: special.2010.01.05

It's firmly adherent to the surface here, it's firmly adherent at the back here, and in between its trying to pull these ends closer together, you can imagine that that's what it's doing, and in fact, that's one of the functions of fibroblasts.

它紧紧地粘附在表面这儿,又紧密的粘附在后面这儿,试着在中间将创口两端拉紧到一起,你可以想象一下这个场面,事实上,这只是成纤维细胞的功能之一

耶鲁公开课 - 生物医学工程探索课程节选

As the fish sped off and line played out, Whalen struggled for 45 seconds back to the surface.

FORBES: The Young Man And the Sea

Environmental attention has recently shifted to the wastewater that comes back to the surface during drilling.

WSJ: Daniel Yergin on the Shale Gas Revolution: Stepping on the Gas

Once you descend back to the surface of the city, you will never look at it quite the same again.

BBC: At 80, the Empire State Building strikes back