Mark Bedau of Reed College in Oregon says Mister Venter's work marks an important step over traditional genetic engineering of individual genes.
VOA: special.2010.07.20
Many Americans were honestly worried that Roosevelt's expansion of government was the first step to dictatorship.
VOA: special.2011.03.31
And Roosevelt's willingness to accept an unbalanced budget would be the first step toward federal budget deficits that would grow steadily in the years to come.
VOA: special.2011.04.07
Its completion represented an important step in Kahn's professional life.
VOA: special.2009.12.13
Rappaccini's daughter seemed to grow more beautiful with each step.
VOA: special.2009.05.23
"That's one small step for man;
VOA: special.2009.07.15
While Washington praised Mr.Netanyahu's gesture as a step forward, US Middle East envoy George Mitchell acknowledged the plan falls short.
VOA: standard.2009.11.26
"So that was a very big step I think unfortunately that the U.S.didn't see it as such a big step.
VOA: standard.2009.07.03
US astronaut Neil Armstrong made the historic first step on the Moon from Apollo 11's landing craft called the Eagle.
VOA: standard.2009.07.16
"This is not a sign of weakness, but rather one more step on a clearly charted path to Chrysler's revival.
VOA: standard.2009.04.30
Gill says it's unfair that journalists always have to watch their step in a country that claims to be a democracy.
VOA: standard.2009.11.02
The White House took the unusual step of posting the president's remarks on its website 24 hours before the speech was delivered.
VOA: standard.2009.09.08
In front of a group of reporters, Lebanon's prime minister designate Saad Hariri announced he will step down.
VOA: standard.2009.09.11
Armstrong summed up the momentous event with one simple, elegant phrase: "That's one small step for man;
VOA: standard.2009.07.16
应用推荐