Attorney General Eric Holder has called the case one of the most serious threats since the attacks of September eleventh, two thousand one.

VOA: special.2009.10.17

That difference has functional consequences for the daughter cells in that one of the daughter cells becomes what's called here a committed progenitor cell.

而这些差异会导致子细胞,产生一些功能上的变化,其中一个子细胞会成为,所谓的定向祖细胞

耶鲁公开课 - 生物医学工程探索课程节选

So the product of Newtonian mechanics of predicting the future given the present, has got two parts, and one is called kinematics and the other is called dynamics.

所以牛顿力学,基于现状对未来的预测,包含两个部分,一部分被称为运动学,而另一部分被称为动力学

耶鲁公开课 - 基础物理课程节选

Deloitte, a firm of consultants, has created one called Bamboo to help it with disaster-recovery planning.

ECONOMIST: Adapting personal IT for business: The consumer-industrial complex | The

The company has one product called Acquia Network, which is a set of tools and services for companies using the open source Drupal system.

FORBES: Acquia Looks To 2014 IPO With New $30M Round

Now, Ryan might have to go into this season without one of the players he has called one of the best he has ever coached.

NPR: AP Source: Jets Allow Revis To Meet With Bucs