Military briefers say no planes were shot down today.

军事情报官们声称今天没有飞机被击落。

《柯林斯英汉双解大词典》

Several planes were shot down by enemy fire.

几架飞机被敌人的炮火击落。

《牛津词典》

Three people were shot dead during the robbery.

抢劫过程中有三人被开枪打死。

《牛津词典》

They were shot down. Suddenly,the Confederates began racing down the hill.

VOA: special.2009.11.05

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

Between late January and late February, at least eight U.S. helicopters were shot down.

NPR: 'Gamble' Author: Iraq War Only Halfway Over

Two men were shot and injured after armed police were called to the scene May 22.

CNN: Man appears in London court over soldier's killing

Seven alleged hitmen were shot dead by security forces in a separate incident in Morelos.

BBC: Mexico police chief killed as Morelos violence flares