His natural ebullience began to return.他开始恢复与生俱来的热情奔放。She burst into the room with her usual ebullience.她像往常一样兴高采烈地冲进了房间。She burst into the room with her usual ebullience, and immediately started talking to everyone.她像往常...
胺能参加与卤代烷的亲核取代反应.Amines can engage in nucleophile substitution reaction with alky.这个反应称为Hofman消除反应, 它很像卤代烷的脱卤化氢反应.This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl hal...
Why you only choose sending Baozi to the hobos?为什么只选包子给乞丐?In those days, many hobos stopped at our corner.在那些日子里, 许多流浪汉来我们家.At the height of the Great Depression, 250,000 teenagers alone were freight - hopping and became...
黄昏时分, 姑娘们穿着灰色网纱衫.Evening hours, girls in grey gauze.江苏飞跃网纱织造有限公司是生产玻璃纤维涂塑窗纱及网格布专业厂家.Glass Cleaner is a ready - to - use glass cleanerglass window , mirrors , plastic and glossy painted surfaces.本公司除供应质优产品外, 另外还经营各种印刷器材如丝...
A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.It enables scientists to transfer genes between different species that would not interbreed in nature.它使科学家之间的转...
He's always grousing about the workload.他总是抱怨工作量大.The group are grousing about the service in the hotel restaurant.旅游团对这家饭店餐厅的服务质量抱怨颇多.Just under one third said grousing was intheFrench temperament.近三分之一的人说法国人爱发牢骚是性...
Streptomyces acidophilus is one of the glucose isomerase producing strains.嗜酸链霉菌是葡萄糖异构酶的产生菌之一,具有良好生产潜力.Glucose - regulated protein 58 is a member of the protein disulphide isomerase superfamily.葡萄糖调节蛋白58是蛋白二硫化物异构酶家族成员之一....
Don't be too downhearted. There's always a way.别太悲观了，总有办法的。Max sighed, sounding even more downhearted.马克斯叹了口气，听上去更沮丧了。We're disappointed by these results but we're not downhearted.我们对结果感到失望，但是并未丧失信心。...