His visitor's visa expired.他的访问签证过期了。He is assiduous over his visitor.他对来访者很殷勤....as soon as she saw that it was a visitor and not a hawker or tramp at her door.她一看到门口站着的是位访客而不是街头小贩或流浪汉…A visitor savors a twilight r...
He took a master's degree in economics at Yale.他选择了攻读耶鲁大学的经济学硕士学位。His class voted him the man 'who had done the most for Yale.'...他被班里评选为“为耶鲁作出最大贡献”的人。I came into contact with very bright Harvard and Yale ...
Conservationists are mostly wedded to preserving diversity in nature.自然环境保护主义者大多致力于保持物种的多样性。Vinegar is used in preserving food.醋可用来保存食物.Conservation is an issue which gets a lot of attention these days — whether it means...
I removed the fibroid tumours, using the techniques that I have perfected.我用完善后的技术摘掉了纤维瘤。The army had perfected the use of terror as a means of controlling the population.军队已经深谙利用恐怖手段控制民众之道。-- Measures for preventing and...
Chlorization - hydrolysis, electro oxidation and a method using p - nitro - toluene as starting material were described mainly.重点介绍了氯化水解法 、 电化学氧化法及对硝基甲苯法....
Babies shed a layer of downy , slender hairs ( lanugo ) before or just after Birth.细毛,在出生前或出生后不久便脱落.During the fifth month, downy hairs ( lanugo ) cover the Body and the skin becomes less transparent.第五个月时, 身体长出绒毛状的毛发,皮肤...
Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.本文以聚苯乙烯氯球为原料,通过与 4- 氨基吡啶及烷基化试剂反应,制成聚苯乙烯支载N - 烷基-N-苄基氨基...
他们一直在倾听人们的牢骚、抱怨和表扬。They have been listening to people's gripes, moans and praise.这些不过是发发小牢骚罢了。These are minor quibbles.迈克尔一边发着牢骚一边整了整自己的短裤。Michael groaned and readjusted his shorts....