Inarticulate and rather shy, he had always dreaded speaking in public.他不善言辞又相当害羞，一直害怕在公共场合讲话。His parents were dull and inarticulate.他的父母亲头脑愚钝又不善说话.Kempton made an inarticulate noise at the back of his throat as if he wer...
Inarticulate and rather shy, he had always dreaded speaking in public.他不善言辞又相当害羞，一直害怕在公共场合讲话。Kempton made an inarticulate noise at the back of his throat as if he were about to choke.肯普顿嗓子眼里发出含混的声音,仿佛他要窒息了。Talk of chestn...
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%....