The Space Needle has a wide base on the ground.

VOA: special.2009.03.04

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

vote on the base of what they believe ,and not on the basis of what the facts are.

是依据信任来投票,而不是根据事实而投票的。

斯坦福公开课 - 经济学课程节选

"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

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

The shell dropped and exploded above Fort Sumter, a United States military base on an island in the harbor.

VOA: special.2009.08.13

That was three years after the United States established a naval base at Pearl Harbor, on the island of Oahu.

VOA: special.2009.03.02

Douglas was born on an Army base near the southern city of Little Rock, Arkansas in January,eighteen eighty.

VOA: special.2009.05.24

On June fourth, Mallory and team member Andrew Irvine left their base camp for the team's final attempt to reach the summit.

VOA: special.2010.06.30

The government built the Florida base shortly after the discovery of Soviet missiles about three hundred kilometers away, on the island of Cuba.

VOA: special.2009.06.30

Her famous poem is on the base of the Statue of Liberty in New York Harbor.

VOA: special.2009.03.13

Soldiers of the new Confederate States of America shelled the Union base at Fort Sumter, built on an island in Charleston Harbor in South Carolina.

VOA: special.2009.08.20

As the river flowed past Vicksburg, it turned in sharply at the base of the cliff and then continued on to the Gulf of Mexico.

VOA: special.2009.11.19

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

VOA: special.2011.06.23

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

The two astronauts explored an area that they called Tranquility Base. Lack of space in their lunar spacecraft,the Eagle, forced them to leave equipment on the surface.

VOA: special.2010.03.02

Listeners on Earth heard the countdown from Tranquility Base: "Three,two,one .

VOA: special.2009.07.15

They launched their plannoes on a quiet Sunday morning and attacked the huge American naval and air base at Pearl Harbor "We interrupt this program to bring you a special news bulletin: The Japanese have attacked Pearl Harbor,Hawaii by air, President Roosevelt has just announced."

VOA: special.2011.06.02

Another American,Jerry King, was on the ground at his U.S.base in England, helping to load planes with paratroopers and supplies.

VOA: standard.2009.06.02

On May,22 they even launched a ground attack on Kandahar air field, NATO's sprawling military base outside the city.

VOA: standard.2010.05.26

closing an air field in a populated area and building a new one on an existing U.S.base in the northern part of the island.

VOA: standard.2009.10.20

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

In many places, hay bales were used as a base to dump the snow on.

VOA: standard.2010.02.16

It involves moving thousands of U.S.forces stationed on Okinawa, building a new air base and re-locating some of the troops to Guam, among other aspects.

VOA: standard.2009.10.18

In 2006,Japan and the United States agreed to close Futenma and move its facilities to another Marine base with a heliport built on reclaimed land offshore.

VOA: standard.2009.11.11

"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

"She would come down to our graduation ceremonies and it was incredible the effect she had on the entire population of the base, We all loved her!

VOA: standard.2010.05.15

As U.S.Marines continued their new offensive across the Pakistani border in southern Afghanistan on Saturday, militants targeted a military base in the east with a truck bomb.

VOA: standard.2009.07.04

He made a commitment to the nation's service members, in a refueling stop at Elmendorf Air Force Base on his way to visiting four nations in Asia.

VOA: standard.2009.11.13

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