First the good news: after contracting slightly in 2009, global economic output is expected to grow more than 4 percent this year, according to the International Monetary Fund.

VOA: standard.2010.04.21

It's contracting so the Fed is trying to prevent a serious recession by cutting interest rates; they've been cutting them rapidly.

它在减小,所以美联储正在试图阻止一个因为利率缩减,而产生的严重的经济衰退；,但是他们最近一直在降低利率。

耶鲁公开课 - 金融市场课程节选

We're going to come back and talk about the action potential a little bit more when we talk about how the heart works, because the heart when its contracting, the muscle cells also use action potentials to initiate contraction.

我们讲心脏工作原理时,会回头再多讨论一点动作电位,因为心脏收缩时,肌肉细胞也利用动作电位来启动收缩

耶鲁公开课 - 生物医学工程探索课程节选

Speaking in London she told VOA that women around the world need to know that everyone is at risk of contracting HIV, even women with only one sexual partner.

VOA: standard.2010.03.02

Since its inception in 1990, TV Marti has been the subject of controversy over cost, contracting,internal management and journalistic issues, and the inability of the Miami-based station to reach enough of the population in Cuba to justify the $500 million spent on the operation so far.

VOA: standard.2009.06.18