These small, color-producing structures formed as the dinosaur was developing.

VOA: special.2010.03.16

This was not a naturally occurring attenuated virus as used in smallpox, but a virus that was attenuated in the laboratory, basically by propagating it in culture and looking for mutants that were formed as you propagated this virus under different experimental conditions.

这不是在制造天花疫苗时,使用的那种天然减毒病毒,而是一种在实验室中被人工弱化的病毒,基本上是通过在细胞中培养繁殖后,从这些培养出来的病毒中挑选出,不同实验环境下的变异体

耶鲁公开课 - 生物医学工程探索课程节选

You'll remember the description of the world from Genesis 1 as an air bubble essentially that's formed by separating waters above and waters below.

大家都记得《创世纪》1中，把世界的描述1,一个大气泡,上面下面都被水覆盖。

耶鲁公开课 - 旧约导论课程节选

As she felt the doll with one hand I slowly formed the letters, d-o-l-l with my fingers in her other hand.

VOA: special.2009.11.08

The nucleotide has a directionality, there's an up and a down to it and it's going to turn out the chain that's formed by polymerizing these has a directionality as well and that's important in defining the structure.

核苷酸有方向性,有上端和下端,核苷酸长链,是由核苷酸沿一个特定方向聚合而成的,这在定义结构时很重要

耶鲁公开课 - 生物医学工程探索课程节选

To safely capture up-close film footage of tornadoes, some project participants traveled in a seven-ton, armored tornado intercept vehicle directly into tornadoes as they formed.

VOA: special.2011.04.19

Then she formed the letters in my hand just as I had done in hers.

VOA: special.2009.11.08

However,as the plate moves over it, a line of volcanoes is formed.

VOA: special.2010.01.12

This cooling liquid formed a very hard rock known as granite.

VOA: special.2009.01.07

They watched as the Confederate soldiers formed a long line.

VOA: special.2009.11.05

They are backed by a new squad, known as Combat Battalion for Resolute Action or COBRA formed specifically to take on Naxalites.

VOA: standard.2009.06.21

When the mechanical properties of this new cartilage were tested, they showed that the regenerated cells were just as effective as the rabbit's naturally formed cartilage.

VOA: standard.2010.08.11

It is the first time President Yadav has urged the new government be formed under a majority banner, as opposed to one built with a full consensus from all 25 parties.

VOA: standard.2009.05.10

The eight,which have formed a coalition called the Forum for Democratic Dialogue, say fairness is impossible as long as the prime minister appoints the National Electoral Board and the government maintains its tight control over the media.

VOA: standard.2009.11.01