The cyclopentadiene is prepared by the thermal cracking of dicyclopentadiene.以热裂解双环戊二烯的方法制备环戊二烯.The method of cyclopentadiene ( CPD ) from dicyclopentadiene ( DCPD ) with liquid phase thermal decomposition method is stud...
她从床上蹑手蹑脚地爬起来，摸索着自己的晨衣。She crept from the bed and fumbled for her dressing gown.莱蒂摸索着找杯子。Lettie groped blindly for the glass.她在黑暗的房间里摸索电灯开关。She groped blindly for the light switch in the dark room....
Dividing his command, Morgan assailed both strongholds at the same time.摩根派遣部队同时袭击了两个据点。Foote's most recent play, "Dividing the Estate," is an ensemble piece.福特的最新戏剧《分房产》是个合演剧目。Bacteria reproduce by dividing and mak...
Just play it safe, cover your ass, keep your head down.要谨慎行事，保护好自己并保持低调。Rock'n'roll has become so commercialised and safe since punk.摇滚乐自从朋克乐以后就已经过于商业化而缺乏新意了。The nearest safe anchorage was in Halifax, Nova Scot...