In the NBA,some people think twenty-five-year-old LeBron James could become the best player ever.

VOA: special.2010.07.26

He kept the glasses in case his vision should ever become dim.

以防视力下降、两眼昏花,他还带了眼镜，“

耶鲁公开课 - 1945年后的美国小说课程节选

and we'll talk about where food comes from because people have become very interested and they're becoming ever more interested in the story of their food.

我们将谈到食物的来源,因为人们对食品的追溯,越来越感兴趣

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Still,he went on to become the third longest serving senator ever.

VOA: special.2009.08.29

She says knowledge about the world's healthiest diets has become more available than ever and can help us fight our worst enemy: obesity.

VOA: standard.2010.02.23