Ore minerals, colloform and microcrystalline apatites , are identified as francolite through X - ray diffraction analysis fine.矿石矿物为胶状磷灰石和微晶磷灰石,经x - 射线衍射物相分析,其种属为含碳氟磷灰石....
那书脊是烫金的.The spine is tooled in gold.这本书的书脊很漂亮,很吸引人.The spine of the book is very beautiful and attractive.圆脊机: 把书脊做成凸起圆弧的机器.Back rounding machine: Machine for rounding the back of a book....
磺胺药物对一些可怕的疾病,如猩红热和麻疯病,都有良好的疗效.Dreaded diseases like scarlet fever and leprosy responded to the sulfas.在中国,乳香被认为是用作治疗麻疯病.In China frankincense was thought to be a treatment for leprosy.麻疯病是一种影响皮肤和神经的疾病.Leprosy is a kind o...
People huddled up close to each other.人们紧紧地相互偎在一起....a parked car huddled under a shroud of grey snow...车身上覆着一层灰白色积雪的停放着的汽车She huddled inside the porch as she rang the bell.她按门铃时身子在门廊里缩成一团。He was huddled with John trying...