Remarkably, despite significant differences in habitat and behavior, many species of lepidoptera have population cycles of similar length, between eight and eleven years.

值得注意的是，尽管鳞翅目昆虫在栖息地和行为上存在显著差异，但许多种类的鳞翅目昆虫的种群周期相似，在8到11年之间。

youdao

The population of those four countries and many other countries in West Europe is also going down.

这四个国家和西欧许多其他国家的人口也在下降。

youdao

Experts say drip irrigation is an innovation whose importance is growing, as climate change and rising population strain water supplies in many parts of the world.

专家表示，随着气候变化和人口增长对世界上许多地区的水资源供应造成压力，滴灌这种创新做法显得越来越重要。

youdao

The population is growing at an even faster rate than many experts had predicted.

VOA: special.2011.06.13

But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.

只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's also interesting that given the same level of nutritional problems -too much fat, too little fiber, too many calories, whatever it happens to be -not everybody is affected the same way, and some population groups are especially vulnerable, so we'll talk more about that later as well.

另一点值得关注的是,相同的不良营养水平下,太多脂肪,太少纤维,太高热量,无论是哪一种情况,人们受影响的程度不尽相同,有一些人群特别容易受到伤害,我们待会也会讲到这点

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Put together Mongolian supply and Chinese demand, and Mongolia will be rich beyond the wildest dreams of a population many of whom, a generation ago, saw themselves as nomadic herders.

ECONOMIST: Booming Mongolia

Sales taxes exceed 8% in many large-population states.

FORBES: Connect

Many of the working population earn no more than 55 American cents a day.

ECONOMIST: After centuries of oppression, the birth of a nation