Men who tried to rescue them were shot down.

VOA: special.2009.11.26

Right, but if you just got the primary exposure, wouldn't the secondary response automatically-- not a booster shot, just the secondary response, because you were exposed?

但这时你已经获得这样的初次免疫,而因为你已经天然感染过该病毒,那么,在没有加强针的情况下,二次免疫是否无法自动发生

耶鲁公开课 - 生物医学工程探索课程节选

So, you didn't know at the beginning, you knew you were enrolled in the trial, they gave you a shot, you didn't know whether you were part of the real group that got the test vaccine or the placebo group that got the control; turned out that Bonnie was part of the control group.

一开始你可能不清楚全过程,你只知道你参与了一项试验,他们给你打了一针,你不知道你是属于接种了,试验疫苗的真实试验组,还是属于被注射了安慰剂的空白对照组,结果显示,邦妮属于对照组

耶鲁公开课 - 生物医学工程探索课程节选

Protesters were shot, beaten and stabbed.

VOA: special.2009.10.24

The United Nations and local human rights groups say 157 people were shot dead during the rally at a Conakry stadium.

VOA: standard.2009.10.16

In February,in what was seen as one of the most brutal attacks on Roma, police said Robert Csorba and his five-year-old son were shot dead when they tried to flee their home that was set on fire.

VOA: standard.2009.08.22

Officials say he shot at unarmed soldiers and civilians as troops were preparing for deployments to Iraq and Afghanistan.

VOA: special.2009.11.14

This week,six bodies returned, five of them shot and killed by an Afghan policeman they were supposed to be training.

VOA: standard.2009.11.11

Interior Minister Jean-Francois Ndongou told French state radio that two people killed overnight in Port Gentil were looters shot by a home owner.

VOA: standard.2009.09.05

In 2007 elections were held, but less than a year later rebel soldiers shot President Jose Ramos-Horta.

VOA: standard.2009.08.27

Yet they abandoned those they were responsible for, they were supposed to protect, and abandoned them even before any shot was fired at them."

VOA: standard.2009.04.08

"They shot me down, they shot me down," were the last words that he said.

VOA: standard.2009.08.22

"But the real heroes that day were those 32 men that after they saw their comrades, the first four me on the boat cut in halfor shot to pieces, two very severely and two dead, they still climbed over the bodies and did their job."

VOA: standard.2009.06.02