"The world will note that the first atomic bomb was dropped on Hiroshima,a military base.

VOA: special.2011.06.23

They also found some stockpiles of the virus from the 1950s that they still had on an Army base in Maryland,I think.

政府也在马里兰军队驻地发现了,从十九世纪五十年代储存到现在的病毒

耶鲁公开课 - 生物医学工程探索课程节选

When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.

它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的

耶鲁公开课 - 生物医学工程探索课程节选

President Harry Truman announced to the world about the first bomb: "The world will note that the first atomic bomb was dropped on Hiroshima, a military base.

VOA: special.2009.06.14

"So actually,the message I see coming out of the primaries is that the party base on the Democratic and Republican side is actually fairly satisfied with the people who are representing them.

VOA: special.2010.06.12

Pressure from the president's liberal Democratic base is likely to have an impact on that decision, says former assistant secretary of state Teresita Schaffer.

VOA: standard.2010.07.30

"It is horrifying that they should come under fire at an Army base on American soil."

VOA: standard.2009.11.05

"And I believe we need a strong Republican Party that is not just anchored in the base, but has built on the base to include more individuals."

VOA: standard.2009.05.24

The town lay on a flat plain at the base of an Allegheny Mountain valley so steep that the hillsides rose straight upward along the Little Connemaugh River.

VOA: standard.2010.04.26

Speaking to VOA by telephone, a U.S spokeswoman at Bagram, gave details of the fighting, "Several insurgents were killed in the attack this morning on Bagram Air Base that included small arms fire, mortars,rockets and grenades.

VOA: standard.2010.05.19

"Well we are talking approximately about 99 square miles, and its sovereign base area which is land which is effectively governed by the UK and has an on-island administration that acts on behalf of the Queen in managing and governing that land,".

VOA: standard.2009.11.11

That's the finding in a new study that analyzed over 750 published studies on children's health the findings were base on data from 50 years studies from children health, and health care disparities "Racial and ethnic disparities in children's health care are quite extensive, pervasive and persistent."

VOA: standard.2010.04.07