然后他反扭住那名男子的手臂让他动弹不得，直到警察赶到。He then held the man in an armlock until police arrived.她突然张开手臂搂住我的脖子，然后吻了我一下。She flung her arms around my neck and kissed me.他笨手笨脚地想抓住艾尔弗雷德的手臂。He was clumsily trying to grab at Alfred's a...
此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.以丙二酸做为调控剂,得到纤维状的碳酸钡晶体.Barium carbonate crystal with fiber structure was prepared from malonic a...