The time has come for action if these beautiful animals are to survive.

若要使这些美丽的动物能生存下去，现在就要行动起来。

《牛津词典》

If diamonds are to survive, though, they must shoot toward Earth's surface quickly.

然而，如果钻石要存活，它们必须迅速地飞向地球表面。

youdao

Companies will have to do more than this if they are to survive the silver tsunami.

公司企业要想在银发海啸中生还，就必须要比现在做的更多。

youdao

People in business have to be careful if they are to survive the jungle out there.

VOA: special.2010.05.16

And sexual selections give rise to a host of organisms, some of which survive and are fit and others which aren't.

性选择导致了大量有机体的产生，其中的一些有机体生存了下来,适应了竞争,而其他则遭到淘汰。

耶鲁公开课 - 心理学导论课程节选

Well, the genes that survive are going to be the ones that make the most copies of themselves.

能存活的基因是,能进行最多自我复制的基因。

耶鲁公开课 - 心理学导论课程节选

Cooper says Posh must strengthen in all areas if they are to survive in the Championship.

BBC: Peterborough United expect to keep loan players

They must receive help within a few days if they are to survive.

ECONOMIST: Haiti's earthquake

If digitized records are to survive and be accessible over time, international standards, including the capture of metadata must be applied.

UNESCO: MEDIA SERVICES