她穿了一条厚厚的格子呢裙和一件红色羊绒衫。She wore a thick tartan skirt and a red cashmere sweater.她身穿一件格子衬衫，衣角在肚脐上方打了个结。She wore a checked shirt tied in a knot above the navel.我穿着一件带有白色蕾丝花边的格子呢睡衣。I am wearing a plaid nightgown trimmed with ...
这种物质很容易由甲醛和肼反应而得到.The material is readily prepared by reaction of formaldehyde and hydrazine.甲醛能慢慢使多种病毒失去活性.Formaldehyde slowly inactivates many viruses.二氧化硫和甲醛都可产生刺激.Sulfur dioxide and formaldehyde both produce irritati...
综述了鲁米诺化学发光体系在液相色谱检测中的应用,引用文献19篇.The application of luminol - chemiluminescence system in liquid chromatography detection is reviewed. 19 references are cited.怀托摩鲁米诺萨(Luminosa)探险公司会带领你在黑暗中乘坐橡皮艇,穿过地下河那湍急的水流.Adventure compa...
Kenya's population is growing at 4.1 per cent per annum.肯尼亚人口正以每年4.1%的速度增长。The agency placed about 200 secretaries per annum.该代理机构每年大约安排200份秘书工作.Interest is paid at the rate of 1 % per annum at present.目前每年的利率是1%....