PROMO: "This season on 'Who Do You Think You Are?' seven of the world's most beloved celebrities will embark on life-altering journeys into their family history."

VOA: special.2010.06.28

Hydrogenation is an interesting process and will bring us to the discussion of Trans fat in just a few minutes, but it's basically when you hydrogenate a food you are altering its chemical properties to take a soft fat and make it more solid.

氢化是个有趣的过程并且,一会儿我们将由它引出反式脂肪的话题,但基本上,对食物进行氢化,是在改变食物的化学性质,将软脂酸变为硬脂酸

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Republicans also asserted that the nuclear revelation supports their position that President Obama acted unwisely in altering plans for a European missile shield to defend against future missile launches by Iran.

VOA: standard.2009.09.25

There's no vision to it." "There's no goal. There's no challenge." "Obviously there are a lot of people that are unhappy about the potential of altering the future of space flight."

VOA: standard.2010.04.15

The British newspaper the Guardian reported Monday that altering the role of Mr.Karzai, who is accused by some western officials of tolerating corruption and mismanagement, is one possible element of a revised Afghan policy to be announced by the Obama administration.

VOA: standard.2009.03.23