某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.有时它们就难于和芳香族或烯烃的吸收峰相互区别.They ar...
Their government is making overtures for peace.他们的政府正在提出和平建议。He had lately begun to make clumsy yet endearing overtures of friendship.最近他开始主动表示友好，样子笨拙却又招人喜爱。Clyde , of course , was insincere in regard to all his overture...
He broke with the tradition of setting examinations in Latin.他打破了用拉丁语出试卷的传统。He had been forced to incriminate himself in cross - examinations .他在 盘问 中被迫受到牵连.Haas was afraid that if he failed his examinations again, he wo...
玛丽振奋的精神感染了班上所有的女孩子.Mary's high spirits infected all the girls in the class.再振奋的心情都能被不整洁的环境所影响.An untidy house can wear down anyone's cheer eventually.刺激物:令体力或精神振奋的因素.A cause or source of renewed physical or spi...
He sat in on much of the filming and early editing.他在旁参与了大量拍摄和初期剪辑工作。During the filming, Curtis fell in love with his co-star, Christine Kaufmann.在电影摄制过程中，柯蒂斯爱上了同他联袂主演的明星克里斯汀·考夫曼。Painful memories were dragged up for Tina...