The acid ewolises nearly as well as the ester.此酸的烯醇化几乎象酯一样良好.Diphenyl carbonate shows a typical vinyl ester effect.碳酸二苯酯表现典型的乙烯的酯类的效应.Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一....
Programme-makers seem irresponsibly insouciant about churning out violence.编程者似乎对大批量制造含暴力因素的产品处之漠然，毫无责任心。Or perhaps the insouciant Rue Saint - Denis , where French Montrealers go to see and be seen.也许是圣丹尼路上漫不经心的格调, 法裔蒙城人...
The bugle sounded the charge.冲锋的号角吹响了.When he heard the bugle call, he caught up his gun and dashed out.他一听到军号声就抓起枪冲了出去.Each blows his own bugle and sings his own tune -- each does things in his own way.各吹各的号,各唱各的调....