单词：effervescent phosphate
泡腾磷酸盐
单词：effervescent phosphate 相关文章
有些词无缘无故就让人觉得特别美，国外网友就票选出了十个最美的英语单词，今天Jenny和Connor要来带你领略它们的魅力。 #1. Aurora Aurora /?'r?r?/ 什么意思： Natural light appearing in the sky near the n
发表于:2018-12-19 / 阅读(165) / 评论(0)
美国文化脱口秀
美国文化脱口秀
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
发表于:2019-01-03 / 阅读(205) / 评论(0)
医务英语
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
发表于:2019-01-08 / 阅读(262) / 评论(0)
Scientific American(四)月
Scientific American(四)月