单词：l-Amphetamine
l-苯丙胺
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US President Barack Obama has outlined big cuts to the military and a greater presence in the Asia-Pacific region. Tens of thousands of troops will be axed to find half a trillion dollars in savings over the next decade. President Obama says troop nu
发表于:2018-12-11 / 阅读(35) / 评论(0)
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Last week, tens of thousands of gallons of sewage gushed into urban streams in Baltimore, because of leaky pipes and flooding rains. And when that happens, it's not just organic matter and microbes that get flushed into aquatic habitats. It's drug re
发表于:2018-12-24 / 阅读(41) / 评论(0)
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