Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...
即使把价钱平摊成6份，每人也还是要花一大笔钱。Splitting the price six ways had still cost them each a bundle.她四肢平摊躺在沙发上，踢掉了鞋子。She stretched out on the sofa and kicked off her shoes.你把我带到爱丁堡, 汽油费我们平摊.If you drive me up to Edinburgh, we'll ...
罗斯听到了熟悉的声音，但没注意听说的是什么。Rose heard the familiar voice, but tuned out the words.她在自己熟悉的领域里对自己的行为有十足的把握。On her own ground she knows exactly what she's doing.在温馨的诊疗室里，孩子们周围摆满了亲切熟悉的东西。In the cosy consulting room the child...
"That was a truly delicious piece of pork," he said. "Yes, wasn't it?" echoed Penelope.“那块猪肉真好吃，”他说。“没错，可不是么？”佩内洛普附和道。Characteristics: Being appetising and nourishing, it is a delicious dish in a banquet.特点: 味道鲜美,营养...
她转过脸去,发出愉快清脆的笑声.She turned away her face with a merry, ringing laugh.他听到树枝清脆的断裂声.He heard the sharp crack of a twig.房里只有算盘珠子的接连的 、 清脆的响声.Except for the sharp clicking of Chueh - hsin's abacus counters, all was still...