He was not slothful: he had been busy all night.他可不懒，昨晚他忙了整整一夜。I've never been tardy, absent, disobedient, slothful or disrespectful.我从未缓慢, 缺席, 不服从, 懒惰或者不敬.Lazy , slothful people sow poverty tomorrow.颓惰自甘,家园终替....
The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~ 5-10% ) 的亚胺.The reaction should be buffered to a pH of between 6 and 11.应使反应缓冲到pH值为6～11.The drug buffe...
DNA fingerprinting has proved the clincher in this investigation.在这次调查中，DNA指纹鉴定起了决定性的作用。DNA profiling has aided the struggle against crime.DNA分析对于打击犯罪有所帮助。They act at least a temporary block to DNA synthesis in micro - o...
There were ducks quacking on the lawn.草地上有几只鸭子在嘎嘎叫。For the rest it was just a noise, a quack - quack - quacking.除此之外,便是一片噪声, 一片嘎嘎嘎的叫嚣.The eyeless creature with the quacking voice would never be vaporized.那没眼睛的鸭子嗓也不会给蒸发....