So the Pentagon awarded a 4-billion-dollar contract to build a version with a lower center of gravity and improved suspension.

VOA: standard.2010.08.01

Now, we probably could have improved the accuracy if we had spent individual time with each of you and said, well now here's a serving of this and that's -here's a serving of that.

现在,我们大概可以提高准确性了,如果我们在你们每个人身上花些时间,并告诉你们这有一份这个,这有一份那个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That was a big question. With training and support from the IOM, these women have improved the quality of their products.

VOA: standard.2010.04.14

The report credits several countries with positive interfaith steps, including Jordan and the Philippines, and says conditions have improved in Vietnam,Cuba and some Central Asian states.

VOA: standard.2009.10.26

And he urged the Kurdish leader to continue to pursue improved relations with Baghdad.

VOA: standard.2009.12.12

President Dmitri Medvedev has said Russia is seeking improved cooperation with the United States.

VOA: standard.2009.04.02

In the last few years Ankara has dramatically improved relations with the region.

VOA: standard.2010.06.17

Having a disability, people still look at you weird, but it's like, 'Alright.He's got a disability, but it's kind of okay now.'" Life for people with disabilities has improved greatly since Bobbi Wailes was stricken with polio as a 12-year-old, before the vaccine became available in the 1950s.

VOA: standard.2010.07.27