Agency chief Margaret Chan has expressed concern there is not a good process in place to produce enough vaccine against the virus.

VOA: special.2009.08.05

You get cystic fibrosis because one protein that's made by your lung epithelium is not expressed properly.

得囊胞性纤维症的病因是,肺上皮细胞产生的一种蛋白,表达不正常

耶鲁公开课 - 生物医学工程探索课程节选

There are multiple mechanisms that a cell can use to decide which genes it is expressing at any one time and which ones are not expressed.

在某一时刻,决定细胞中哪些基因表达,哪些基因不表达的机理十分复杂

耶鲁公开课 - 生物医学工程探索课程节选

represented a time of promise. "This could not be happening" was the sentiment expressed as a growing crowd gathered around that black-and-white TV set.

VOA: special.2009.08.16

If Israel doesn't fulfill her obligations by obeying God's Torah, his instructions, and living in accordance with his will, as expressed in the laws and instructions, then God will not fulfill his obligation of protection and blessing towards Israel.

如果犹太人不履行自己的责任,遵守上帝的教训和旨意，按照他的意愿生活，就像律法和训诫中规定的那样，上帝也将不履行他的义务,保护，怜悯犹太人。

耶鲁公开课 - 旧约导论课程节选

They persist because of the country's high rate of violent crime, as expressed by this Johannesburg resident who did not want to be identified.

VOA: standard.2009.06.12

You would like to get the gene that you're interested in expressed in some population of cells within the body but not in other cells.

我们希望目的基因,在一些细胞中表达,在另一些中不表达

耶鲁公开课 - 生物医学工程探索课程节选

He spoke through an interpreter. "Not only is our country worried, but we have already expressed time and again our position against an arms race.

VOA: standard.2009.09.15

Yeast cells were grown in large numbers with this plasmid inside, they expressed the plasmid and so you made Hepatitis B surface antigen not in people but in cell culture where it was not normally formed.

体内携带这种质粒的酵母细胞大量增殖,它们表达质粒,因此,乙型肝炎表面抗原不是在人体内,而是在细胞培养环境下,以非正常方式形成的

耶鲁公开课 - 生物医学工程探索课程节选

European Union foreign ministers expressed concern not only about the security situation in Afghanistan, but also about the lack of sufficient progress in political reform there.

VOA: standard.2009.10.27

Only certain genes are being expressed and it's the family of genes that are being expressed in a cell, likewise the family that are not being expressed, that determines what a cell is like, how it functions.

只有某些特定的基因在细胞中表达,那些在细胞中表达的基因,与那些没有表达的基因,共同决定了细胞的形态和功能

耶鲁公开课 - 生物医学工程探索课程节选

Some also expressed disappointment that Mr.Obama was not scheduled to attend the end of the Copenhagen summit when the toughest negotiations are expected to take place.

VOA: standard.2009.11.26

Taking foreign genes, genes that aren't naturally expressed or might not even exist inside a cell and putting them there and putting them there in a way where they work, and by work meaning the gene gets expressed or translated into a protein.

将异源基因,即那些在细胞中原本不表达或者,根本不存在的基因转入细胞并让它们工作,工作就是指让基因持续表达并合成蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

(OMITTED) A lawyer from nearby Maryland, who did not want to give his name, engaged in an impromptu debate with Tea Party supporters and later expressed concern about some of their rhetoric.

VOA: standard.2010.04.15

This is introducing a gene, it's a natural gene but it's not - it's a natural gene that's found in humans and is actually expressed all over your body in different levels, but you're concentrating it or over expressing it in one particular region of tissue in order to have a particular effect.

通过导入一个基因,这是一个天然基因但--,是一种于人体内发现的天然基因,在全身细胞中都有不同程度表达,但需要集中在组织的某一特定区域,表达或过表达,才能达到特定疗效

耶鲁公开课 - 生物医学工程探索课程节选

The dramatic return of Mr.Zelaya dominated a previously-scheduled meeting on Honduras between Clinton and the Costa Rican leader, both of whom expressed hope that the latest turn of events does not lead to violence.

VOA: standard.2009.09.22

"The Cuban people are not free." Numerous other leaders expressed hope for sustained dialogue between the United States and Cuba that will lead to normalized relations, while addressing human rights and political reform on the island.

VOA: standard.2009.04.19