化复合器系统

Farm Animals May Soon Get New Qualities With Gene-Editing This may seem impossible, but an American company is seeking to change farm animals by cutting or adding to their genes. By using a process called gene-editing, the company, Recombinetics, say

发表于:2018-12-10 / 阅读(115) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project

发表于:2019-01-07 / 阅读(235) / 评论(0) 分类 2006年NPR美国国家公共电台

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(176) / 评论(0) 分类 英语新闻
学英语单词
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additional markdown
Alaska plaice
alphameric field descriptor
atom powered submarine
atrichopogon flavidus
automatic lader diagnostic
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boiler with dry bottom furnace
brachymeria lasus
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canaliform
case flow management
castellains
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collective agreement
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constant current coulometry
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counterminer
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cryptogenic pyemia
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employee-assistance
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fund holder reserve
grauman
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heart tree
high titanium oxide type electrode
hignett
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munaf
NARCOD
nothing to speak of
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palm
palpomyia divisa
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peperomia pellucida (l.) kunth
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reactor protection board
Robertsonville
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Saccharomyces capillitii
safe drinking water
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weight per horse power