双语例句原声例句权威例句
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Officials say he shot at unarmed soldiers and civilians as troops were preparing for deployments to Iraq and Afghanistan.
VOA: special.2009.11.14
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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
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And this is exactly what happened with Marsden who discovered that when he shot the alpha particles at the gold foil he detected something on his detector that click, click, click went a little bit faster.
而对于Marsden来说,就是这样，他发现当他用alpha粒子,轰击金箔的时候，探测器哒哒哒得更快了,他发现一分钟。
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