"They were willing to risk their lives, in this case, to prevent Afghanistan from once again becoming a safe haven for al-Qaida and its extremist allies.

VOA: standard.2009.10.26

It has the function, in other words, of negating its own meaning in another semiotic system, in this case the semiotic system of the stoplight.

也就是说，他有这样那样的功能，在不同语义系统中表示的甚至完全相反，就像红灯表示的这些不同含义一样。

耶鲁公开课 - 文学理论导论课程节选

In the case of the former, the polis flourishes and its people prosper.

对于前者而言,城邦昌盛,人民富足

耶鲁公开课 - 古希腊历史简介课程节选

"It may turn out that H1N1 runs its course like ordinary flus, in which case, we will have prepared and we will not need all these preparations,"

VOA: standard.2009.05.01

So some parents now are choosing to save the cord blood, have it frozen, locked away somewhere just in case its useful to their child later in life.

一些父母现在选择保存脐带血,冷冻储存起来,保存在某个地方以防万一,也许孩子将来用得着

耶鲁公开课 - 生物医学工程探索课程节选

The capture of Kasab and Islamabad's admission that he was a Pakistani citizen has helped India bolster its case that the attacks were planned and executed by a terror group based in Pakistan.

VOA: standard.2009.07.23

In this case, a receptor tyrosine kinase is a receptor molecule that binds a ligand at its surface outside the cell and initiates this enzyme activity - this kinase activity - and causes phosphorylation of another molecule.

在这个例子中,酪氨酸激酶受体可以,在细胞表面区域与配体结合,从而激发出,激酶的活性,使其能够磷酸化另一类分子

耶鲁公开课 - 生物医学工程探索课程节选

U.S.officials said no part of the three-stage vehicle reached orbit, and that in any case it amounted to a long-range ballistic missile test forbidden under a Security Council resolution that followed its October 2006 nuclear test.

VOA: standard.2009.04.14

It breaks down into its component parts and I show two of those component parts here, one is the genetic material, in this case DNA, and the other is all the proteins that form the structure of the virus.

分解为自身各种零件,这里给你们展示一下其中的两个,其一是遗传物质,这里指DNA,另一个是构建病毒结构的所有蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

"That should not be known as a great country." In issuing its ruling, the Supreme Court sent the case back to Chicago for a lower court to issue the final decision, so the gun ban remains temporarily in effect.

VOA: standard.2010.06.29