We watched the harbour and then the coastline fade away into the morning mist.我们凝望着港口，只见海岸线渐渐隐于晨雾之中。The colour of the cloth will fade away little by little.这布的颜色会一点一点褪掉的.Disease is disgruntled , resemble basking in damp ...
结果表明, 苯乙烯、丙烯腈的加入能提高N- 环己基马来酰亚胺的反应活性.The results showed that the addition of St AN , the activity of CHMI was enhanced.通过锂试剂的方法,合成了三氟甲基苯基环己基酮化合物,反应产率达到60%.Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium ...
I was angry at his slipshod work.我为他工作粗心而生气.The hotel had always been run in a slipshod way.该酒店的管理一向马虎。Don't do your work in a slipshod manner . You should be conscientious and have a sense of responsibility.对工作不能随随...