英语翻译acetonitrile was of HPLC grade from Merck (Darmstadt,Germany)

英语翻译acetonitrile was of HPLC grade from Merck (Darmstadt,Germany) 乙腈,为什么叫acetonitrile 英语翻译Methanol,acetonitrile,and water were of high-performance liquid chromatography (HPLC) grade (Merck,Darmstadt,Germany).求翻译 it was scary英语翻译 英语翻译problem was 英语翻译wood was rot. 英语翻译that was easy~ 英语翻译she was Lo acetonitrile 乙腈 methyl cyanideacetone 不是丙酮吗?乙腈是两个C 怎么也叫acetonitrile,后面那个命名倒还清楚点,怎么大多都用前面的名字?老外怎么想的? 英语翻译the hand was scalded 英语翻译The movie was ___________it__________. 英语翻译How was ________________________?________________. 英语翻译-----------------the suspect was-----------then。 英语翻译she was very __________ 英语翻译A.was held backB.was held downC.was held upD.was held on 英语翻译Where once was light?Where once was love? 英语翻译America was what was first called India by Columbus. 英语翻译He was very clean,His mind was open