They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.Secondly, take p - nitrophenol as the raw material, studing the effect of Duff formylation reaction.其次...
...a soldier with a corporal's stripes on his arms...胳膊上别着下士臂章的士兵A private is subordinate to a corporal.列兵的级别低于下士。He was busted ( to corporal ) for being absent without leave.他因擅离职守而被降级 ( 为下士 ).Lance Corporal Willia...
我用完善后的技术摘掉了纤维瘤。I removed the fibroid tumours, using the techniques that I have perfected.在我生长的伦敦，四周全是轰炸后的断壁残垣。In London, where I grew up, we were surrounded by bomb sites.手术后的那个夜晚她在重症监护病房度过。She spent the night in intensi...
Epsilon lies at the western edge of the constellation.ε星位于这个星座的西边缘.Influential North American fraternity Delta Kappa Epsilon is founded at Yale University.1844年的今天,有影响力的北美兄弟会“德耳塔·卡帕·厄普西隆”在耶鲁大学成立.The Lucerne will resurfac...