养蚕是为了得到蚕丝.Silkworm culture is practised in order to get silk.在蚕丝中, 更确切地讲,这些链是反向平行的.In silk, it would be better to describe the chains as being antiparallel.请描述蚕丝与蜘蛛丝的分子结构.Describe the molecular structures of silk and the...
...a discerning palate.敏锐的味觉To which of his fellowmen might a discerning world point as Man of the Year?今年有眼光独到的人们会选出谁为他们今年的年度人物 呢 ?...tailor-made holidays to suit the more discerning traveller...为懂行的旅游者量身打造的假期I think th...
From her tiny waist a crinolined skirt cascaded in three deep tiers.裙架撑起的三层大裥裙从她的纤腰上款款垂下。She hung on as the freezing, rushing water cascaded past her.她抓得紧紧的，任凭冰冷湍急的水流从她身上倾泻而下。His money cascaded away in a couple of years....
We are happy to donate to bona fide charitable causes...我们很乐意为真正的慈善事业捐献财物。Allergy to cats is one of the commonest causes of asthma.对猫类过敏是哮喘病发作最常见的诱因之一。Conclusions: Anastomotic stricture 、 stones and obstruction are the m...