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1·It was difficult to feed the largest population in the past.

以前，要养活世界最多的人口是很困难的。

2·To feed the larger population, humans need to obtain arable lands, so there is a massive clearing of trees.

为了养活更多的人口，人类需要获得可耕地，因此大量的树木被砍伐。

3·To feed the larger population, humans need to obtain arable land, so there is a massive clearing of trees.

人类为了养活比以前更多的人口，需要获得可耕地，因此大量砍伐树木。

4·More irrigation works would have to be built to feed the growing population, and this resulted in more power and wealth for the elite.

国家必须修建更多的灌溉工程来养活不断增长的人口，这为精英阶层带来了更多的权力和财富。

5·Offspring of these fish would likely behave like their parents and feed and live in the same area, keeping them separate from the original population.

这些鱼的后代很可能会像它们的父母一样，在同一地区捕食、生活，并与原来的种群分隔开来。

6·Many people feel that volunteering to help feed, cloth, and employ the homeless reduces the population of those in need.

许多人认为，自愿为无家可归者提供食物、衣物并雇用他们减少了贫困者的数量。

7·We need more food to feed the world's growing population.

我们需要更多的食物来养活世界上不断增长的人口。

8·By his achievement, China can feed her 1.4 billion population.

通过他的成就，中国可以养活14亿人。

9·As Father of Hybrid Rice, Yuan Longping got over great difficulties and spent his whole life working to reduce world hunger and helping to feed the country with the largest population.

作为“杂交水稻之父”，袁隆平克服了巨大的困难，用其一生致力于减少世界饥饿，帮助养活了世界上人口最多的国家。

10·He said that the world produces enough food to feed a growing population.

他说，其实世界粮食产量足以满足不断增长的人口。