单词:centrifuger
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单词:centrifuger 相关文章
Smartphone App Helps Snakebite Victims Scientists in Denmark have developed a venom test kit to help doctors treat victims of snake bites. The kit was created to be simple and has only two pieces of equipment: a centrifuge and a smartphone. 丹麦科学
发表于:2019-01-03 / 阅读(83) / 评论(0)
2018年VOA慢速英语(二)月