He says identifying human antibodies that will stop the ability of the virus to reinvent itself is the first step.

VOA: special.2009.03.04

In order for a more or less round plate to remind me of roundness, Plato says, I have to have already met perfect roundness itself.

如果一个或多或少,有点圆的盘子能让我想到正圆,柏拉图认为,我必须已经见过完美的圆本身了

耶鲁公开课 - 死亡课程节选

Every creature, he says, has a built-in desire to preserve itself, to persevere in its own existence, to continue in its own steady state you might say, and to resist invasion or encroachment by others.

他说，任何一个生物都生而具有,保护自己的本能，保护自己的存在，延续自己稳定的状态，抵抗外界的侵犯。

耶鲁公开课 - 政治哲学导论课程节选

But an official says the church calls itself the Washington National Cathedral because many services of national interest have been held there.

VOA: special.2009.05.22

Google's chief executive, Eric Schmidt, says Chrome will pay for itself.

VOA: special.2009.07.17

He says the two words "really defined the joyous, optimistic and uplifting spirit that seemed to show itself while making the album."

VOA: standard.2009.04.19

He says while the U.S.cuts back on its own nuclear posture, it will be protecting itself from nuclear threats, especially from terrorists.

VOA: standard.2010.08.06

But Mullen says the year-and-a-half the president allowed for the new strategy to prove itself is adequate.

VOA: standard.2010.07.22

She says the IPU prides itself on being what she called a 'talking shop', and does not impose penalties on countries accused of violating parliamentarians' rights.

VOA: standard.2009.04.09

He says part of the problem with breast cancer is the disease itself.

VOA: standard.2010.02.02

A Pentagon spokesman, Colonel Dave Lapan, says the Post story itself notes that the 13,000 support troops are within the overall maximum authorized by President Barack Obama earlier this year.

VOA: standard.2009.10.13

Lee says the Dubai debt crisis is not that large by itself, but may be enough to spark a chain reaction, especially in Europe, where many banks lent money to Dubai.

VOA: standard.2009.11.27