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There has been a settlement here since about 500 B.C., but Rothenburg didn't really come into its own until the Holy Roman Emperor Rudolf the First, chartered it as a free imperial city in 1274. Rothe
硝咪唑类 甲硝唑 Metronidazole 甲硝羟乙唑, 灭滴灵, 咪唑呢达, 灭滴唑, 佳尔钠FLAGYL, Klion, Arilin 替硝唑 Tinidazole 服净, Fasigyn 氯霉素类 氯霉素 Chloramphenicol CHL
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
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
Anna Chalon这首Run and Hide是电影《我曾经爱过》的插曲,讲述了被丈夫抛弃的女子Chlo,与生性沉闷的公公Pierre出于偶尔,一次敞开心扉的谈话。Anna的声音沙哑而慵懒,这首旋律简单迷人的Run An