greatest /'^reitist/

Now even the project’s greatest cheerleaders talk of a continent facing a “Bermuda triangle” of debt, population decline and lower growth.

如今，即使是该项目最坚定的支持者，也谈到一个大陆正面临债务、人口减少和增长放缓的'百慕大三角'。

Michelle Obama has launched a high-visibility campaign 20 childhood obesity, even claiming that it represents our greatest national security threat.

米歇尔·奥巴马发起了一场针对儿童肥胖的高曝光度活动，甚至声称这代表我们最大的国家安全威胁。

That’s only a small share of the total acreage that could benefit, about half a million acres in all, so it will be vital to prioritize areas at greatest risk of fire or drought.

这仅仅是可能受益的总面积的一小部分，总计约有50万英亩，因此必须优先治理那些最易发生火灾或干旱的区域。

Schwitzgebel suspects the greatest impact came from social influence- classmates or teaching assistants leading the discussions may have shared their own vegetarianism, showing it as achievable or more common.

施维茨格尔贝尔怀疑最大的影响来自于社会影响——进行讨论的同学或助教可能分享了他们自己的素食主义，展示了它是一种可实现的或更常见的选择。

But demonstrating the efficacy of science will be crucial if we are to solve humanity's greatest challenges.

但如果我们要解决人类面临的最大挑战，展示科学的有效性将是至关重要的。