单词：KHB
[=Krebs-Henseleit bicarbonate buffer]克-汉二氏重碳酸盐缓冲液
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Oh it's a long way down 这是一条漫漫路途 But if you don't look, you don't have to know it 但若你不去看自然不必知道 And I can be around 我会在旁接住你 To catch your fall if you're losing your grip 当你失去平衡 Can't yo
发表于:2019-02-01 / 阅读(242) / 评论(0)
听歌学英语
听歌学英语
MICHEL MARTIN, HOST: There are only two historically black women's colleges in the U.S. One of them, Bennett College in Greensboro, N.C., has been facing a loss of accreditation because of shaky finances, and that would lead to a loss of federal fund
发表于:2019-03-17 / 阅读(505) / 评论(0)
2019年NPR美国国家公共电台2月
2019年NPR美国国家公共电台2月