She suspects that chimps may be a step ahead of humans in how their bodies deal with the virus.

VOA: special.2009.09.08

Some of these questions that look very straightforward just naming the geometry, you have to remember to do the first step before you jump in and go ahead with a naming.

有些题目是十分直接的,仅仅是说出几何形状，你们要记住在说出它的形状之前,还有一步工作要做。

麻省理工公开课 - 化学原理课程节选

Ting-Chi Wang leads us to the permanent exhibition called With a Single Step. She says that the exhibition about Chinese immigrants in America was based on the idea of a heros travels.

VOA: special.2010.03.03

Dancing in the streets of London. This is a two-step with a purpose.

VOA: standard.2010.03.10

General Aziz announced his candidacy in an interview with the al-Arabiya television network, saying he will step down in three weeks and allow the President of the Senate to run the country during his campaign for the presidency.

VOA: standard.2009.03.29

In separate action, the House of Representatives debated a resolution urging Iran to step up cooperation with the U.S.and intermediaries on the case of Robert Levinson, the former FBI agent who disappeared in 2007 while visiting Iran.

VOA: standard.2009.04.28

Of the 183 countries voting, Myanmar's ambassador,Than Swe, said if western countries are truly concerned about human rights in his country or any other they should adopt a cooperative approach, instead of a resolution that he called "out of step with the times we live in."

VOA: standard.2009.11.20