她走过时有一股浓烈的香水味。As she went past there was a gust of strong perfume.她在两耳后分别擦上一小滴麝香香水。She dabbed a drop of the musky perfume behind each ear.它很快成为世界上最受欢迎的男士香水。It quickly became the most popular men's fragrance in the w...
目的: 合成新的双-胡椒醛缩二胺类席夫碱化合物.Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.用胡椒醛为起始原料,经氯化 、 水解、缩合,制得血凝酸胺.After the process of chlorination, hydrolytic decomposition and condensat...
船在波涛起伏的海浪中剧烈摇摆。The boat rolled heavily in the troughs between the waves.海浪变得汹涌澎湃，把小船像漂浮的软木塞一样抛来甩去。The seas grew turbulent, tossing the small boat like a cork.他在汹涌的海浪中挣扎了30分钟后淹死了。He drowned after 30 minutes in the rough s...