Woollen cloth and timber were sent to Egypt in exchange for linen or papyrus.羊毛料和木材送到埃及以换取亚麻布或纸莎草纸.The Egyptians wrote on papyrus.埃及人书写用薄草纸.Since papyrus dries up and crumble, very few documents of ancient Egypt have sur...
Schmidt continued to expound his views on economics and politics.施密特继续阐述他的经济和政治观点。Landino had taken upon him to expound the same opinion.兰迪诺已着手来阐明他同样的意见.Not only confirm current legislation, finance mechanism, also expou...
了解三氯 乙醛 的毒性和致突变作用.Acute toxicity test , mutation test and single - cell gel electrophoresis ( SCGE ) were used.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Chloral is a colorless, volatile liquid with a very penetrating odor and bo...