她双手开始捻弄手提包的拎带。Her hands began to twist the handles of the bag she carried.她看到玛尼娅在鼻子底下捻弄着一片新绿的栗树叶子.She saw Manya twiddling a young green chestnut leaf under her nose.她坐在那儿捻弄手指上的戒指.She sat twiddling the ring on her finger....
A coarser grade of iron will lower the yield of ferrocene.粗粒的铁将降低二茂铁的产量.These receptors include bridged dipyrrole ansa - ferrocene, bipyrrole - based catenanes , guanidinium - appended amidopyrroles, 2,5 - diamidopyrrole...