Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料....

benzylidene的音标：benzylidene的英式发音音标为：[benzɪlaɪ'di:n]benzylidene的美式发音音标为：[benzɪlaɪ'din]...

adj.苯亚甲基的，苄叉...