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1·In this edition of American Living, we are looking at some population trends in the USA.

在这一版的《美国生活》中，我们讨论美国人口趋向。

2·It's a joint project with the University of Ghana to collect data on nesting and population trends.

这是与加纳大学的合作项目，用以收集海龟筑巢数据和数量趋势。

3·At the same time other population trends, beliefs and practices in the region may have an adverse effect.

同时，这一区域的其他人口构成趋势，信仰及习惯可能具有负面作用。

4·Based on current population trends, that number is expected to increase significantly over the next decade.

依据目前人口趋势，在下一个十年内，该数字会明显增加。

5·One demographer has said the 300 millionth person would likely be a Latino boy given current U.S. population trends.

美国一位人口统计学家曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。

6·One demographer has said the300 millionth person would likely be a Latino boy given current U. S. population trends.

曾说，从目前美国的人口走势来看，这第三亿个人可能会是一个拉丁裔男婴。

7·Experts believe that China AIDS has been spreading from high-risk groups to general population trends, resulting in a sharp increase in infection rates.

专家认为，中国艾滋病已出现从高危人群蔓延至普通人群的趋势，造成感染率急剧上升。

8·By tracking population trends, and charting the presence or absence of particular species over time, scientists keep a finger on the pulse of the ecosystem.

通过跟踪人口趋势、图表或没有特定物种时间，科学家一直在用一根手指测量生态系统的脉搏。

9·Worldwide population trends of increasing life expectancy and increasing prevalence of selected risk factors for atrial fibrillation portend a worsening epidemic.

世界范围内人们对于预期寿命的延长趋势也增加了对于房颤有选择性潜在危险因素的流行恶化。

10·At a time when Malthusian alarms are ringing because of environmental pressures, falling fertility may even provide a measure of reassurance about global population trends.

在当前因环境压力因素，马尔萨斯人口论向人们敲响警钟时，生育率的降低也不失为人们对全球人口走向担忧的一剂安抚剂。