单词：stable isotope labeled compound
单词：stable isotope labeled compound 相关文章
As humans developed civilizations in Eurasia and Northern Africa, they also domesticated animals for food and labor: horses, cows, goats, pigs, sheep and a few others. But no evidence existed for the deliberate cultivation and breeding of animals in
2016年Scientific American(八)月
Ancient Bones Reveal Ancient Diet, Lifestyle Scientists learned recently that fish was the main source of protein for people in southern Scandinavia many thousands of years ago. They also ate other animals that live in the water. The findings come fr
2018年VOA慢速英语(十)月
This is the VOA Special English Agriculture Report. New rules will let millions of Americans know where more of their food came from. The law is known as COOL -- Country of Origin Labeling. Congress first passed the law in two thousand two. Stores h
VOA慢速英语2008（十）月
一位保加利亚艺术家制作的一系列另类欧洲地图近来在网络上受到热捧。在这些地图中，每个国家和地区的名字都用别国国民对其固有的印象来标注，例如，在名为美国眼中的欧洲的地图上，
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Shanghai authorities are testing alleged mislabeled mutton from a wholesaler which supplies a chain of hot pot restaurants run by U.S. fast food firm Yum Brands. Shanghai food safety inspectors have raided a wholesale market and found packages labele
英语新闻
thread n.(缝衣服的）线；头绪 Do you have a needle and thread I can borrow？ 你有针和线可以借我吗？ I missed a few words, so I lost the thread of what you were saying. 我错过了几个字，因此我弄不懂你在说什么。 T
赖世雄进阶英语词汇3500