A number of staircases ascend from the cobbled streets onto the ramparts.一段石阶从鹅卵石路上一直向上直通城墙。The square was packed, and the cobbled streets flowed with coloured petals.广场上挤满了人，鹅卵石铺就的街道上满是五颜六色的花朵。They walked through the ar...
Cottrell strode out across the cobbled courtyard.科特雷尔穿过铺着鹅卵石的院子大步走出来。...bumpy cobbled streets.铺了鹅卵石的凹凸不平的街道A number of staircases ascend from the cobbled streets onto the ramparts.一段石阶从鹅卵石路上一直向上直通城墙。They walked through t...
This drugs scandal is another blot on the Olympics.这次的兴奋剂丑闻又给奥林匹克运动会抹了黑。That new factory is a blot on the landscape.那新建的工厂破坏了此地的景色There is a blot of ink on the paper.纸上有一滴墨水渍....
In specific acid catalysis, the undissociated acids do not contribute.在特殊的酸催化中, 不离解的酸不起作用.The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.Catalysis has increased the rate o...