The experts said people with an increased risk of a heart attack should take a low-strength aspirin every day.

VOA: special.2009.10.20

The problem with this is while he's stuck in there he has this screaming, horrific panic attack and then it makes his fear much worse.

这里的问题是，当他被困在这里时,他会患上令其尖叫与恐惧的恐慌症,这只会让他的恐惧感更加强烈。

耶鲁公开课 - 心理学导论课程节选

A problem with adenoviruses is that your immune system recognizes them, and if your immune system recognizes the virus then it can attack the virus and eliminate it from the body.

关于腺病毒有个问题,免疫系统会识别腺病毒,如果免疫系统识别了这些病毒,就会进而攻击并从体内清除病毒

耶鲁公开课 - 生物医学工程探索课程节选

Bourke-White flew with American bomber planes in England as they prepared to attack enemy targets on the European continent.

VOA: special.2009.05.17

He said the most urgent threat that Barack Obama and other presidents after him will have to deal with is another attack.

VOA: special.2009.01.17

After his attack on Harpers Ferry, the south spoke with one voice.

VOA: special.2009.07.02

The attack occurred as U.S.Secretary of State Hillary Clinton met with top Pakistani leaders in the capital,Islamabad.

VOA: standard.2009.10.28

No fresh images of Bin Laden appear. He was last seen in video that coincided with the sixth anniversary of the 9/11 attack.

VOA: standard.2009.09.14

Diakite,who is also known as Toumba, escaped the attack and is still at large with an unknown number of soldiers from the presidential guard.

VOA: standard.2009.12.07

Since then,a number of high-profile militant attacks have shocked the nation, including an attack with two suicide bombers on an Islamic university in the capital.

VOA: standard.2009.10.28

the Prime Minister Netanyahu said: Israel will respond with "immediate force" to any Palestinian attack.

VOA: standard.2010.01.10

Something that can do an attack on the United States, a US interest with the ties that we have and globalization and our economics effects everybody."

VOA: standard.2010.08.06

Israel's policy since the Gaza War has been to retaliate for every attack, usually with air strikes on tunnels allegedly used by Hamas to smuggle weapons.

VOA: standard.2010.07.30

He tells VOA he believes the attack is the work of Punjabi militants, who used to train with the Pakistani Taliban in their South Waziristan stronghold.

VOA: standard.2009.12.09

He says his mood of high expectations and happiness has been transformed into a heavy mind and sadness with the news of the terrorist attack in Islamabad.

VOA: standard.2009.10.05

Fears of an attack on the Indian capital timed to coincide with Independence Day, have led to hundreds of additional police and paramilitary forces patrolling New Delhi's streets.

VOA: standard.2009.08.07

With each day bringing further deterioration in Somalia, including among other things the recent bomb attack that killed the Somali transitional government security minister, Thursday's hearing was timely.

VOA: standard.2009.06.26

The Satellites followed with an hour and a half of inspired play defending as a unit and attackingwhen merited, and holding the feared Brazilian attack despite their numerical disadvantage.

VOA: standard.2009.10.17

Some U.S.legislators are demanding answers about why Hasan's intercepted communications with the radical cleric did not prompt wider scrutiny of the psychiatrist's actions or intervention that could have prevented the attack.

VOA: standard.2009.11.10

Meanwhile,IntelCenter,a U.S.-based terrorism monitoring group that works with the U.S.government, warns the Christmas day attack could be just the start, and that the possibility of additional attempts on U.S.airplanes can not be ruled out.

VOA: standard.2009.12.26

Today's nuclear threat differs from that of the Cold War, according to U.S.Secretary of State Hillary Clinton, "The threat of nuclear war, nuclear attack that we grew up with in the Cold War has diminished.

VOA: standard.2010.04.11

"I think the most frequent type of attack that has been occurring in the past is people showing up with Molotov cocktails and throwing them into or at the homes of Roma in several towns of the country.

VOA: standard.2009.08.22

But the U.S.reaction to Thursday's attack was at an unusually high level, with both President Obama and Secretary of State Hillary Clinton issuing written statements expressing sympathy to the families of victims and calling for the attackers to be held accountable.

VOA: standard.2010.07.16

"This was a hugely significant attack plan. With that number of aircraft, with the types of destination that were being talked about, it is conceivable to think of upwards of 2,000 casualties in the air depending on the point of detonation whether others would have been caught on the ground as well.

VOA: standard.2009.09.07

Speaking for the Transitional Federal Government, Idd BedelMohamed, Deputy Permanent Minister of Somalia at the United Nations, read a statement accusing al-Shabaab and some hardliners of rejecting reconciliation,and acknowledged that the transitional government faces intensified attacks: "Insurgent groups continue to attack Somali government and AMISOM forces with a new influx of foreign fighters allied and in support of al-Shabaab and its radical agenda.

VOA: standard.2009.06.26

Authorities say they quickly killed two of the gunmen, but two others continued to fire machine guns in the extended battle in Pul-i-Alam, Witnesses say U.S.military helicopters were part of the response force, and one aircraft fired a rocket into a multi-story building which the insurgents had seized, used to launch their attack and had rigged with explosives.

VOA: standard.2009.08.10