“我要是那样做了就好了，”菲尔·乔丹说道，又像往常一样消沉起来。"I wish I did," said Phil Jordan, relapsing into his usual gloom.冬季天短，有些人会变得抑郁消沉。When the days shorten in winter some people suffer depression.我逐渐消沉了。I slid into a depression....
Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...
Rocco gave him a friendly smile and hello. Carlo was'wary.罗科对他友好地笑了一下,还打了个招呼, 卡罗紧张起来了.Something was up, but Rocco didn't know what it was.山雨欲来风满楼, 但是卡罗却不知道是怎么回事.The car was waiting with two of Rocco Lampone...