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GWEN IFILL: Drugmaker Mylan has been under heavy fire for its soaring price hikes for EpiPens, the lifesaving necessity for those with serious allergic reactions. Its price has skyrocketed to as much as $600 for a set of two. At first, Mylan offered

发表于:2018-12-05 / 阅读(117) / 评论(0) 分类 PBS访谈健康系列

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(四)月
学英语单词
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aquifer influx
aracing
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Baltim
BDCL
beryllium rickets
Beth-arbel
bethlsophoramine
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break seal
carlage
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don bacteria
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Forit
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GDC (gross dependable capacity)
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helix angle at reference cylinder
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HNIL interface device
horse room
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mountain chain
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myoplast
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organic acid seasoning
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phenylacetamidase
play a joke on
play a joke on something
police cars
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Port Isaac Bay
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Psych.
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the Everlasting
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two-layer coating
unaspis aei
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uppicket
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