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...
Front and back sleeve seams place along armhole seam, 8?正面和背面套沿袖窿缝接缝的地方, 8?Coal seams intermixed with iron ore.煤层和铁矿混杂在一起.All of our hospitals are bursting at the seams; we have to build new ones urgently.所有的医院都人满为患,我们迫切...
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 ...