He always had this inane grin...他总是这样傻傻地咧嘴笑。Theories deviating practices are inane , while practices deviating theories are blindfold.脱离实践的理论是空泛的, 脱离理论指导的实践是盲目的.He always had this inane grin.他总是这样傻傻地咧嘴笑。She started askin...
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.CRL脂酶对S - (-) -N- ( 2, 6- 二甲苯基 ) - 丙氨酸甲酯作用速度远大于R-(+)-异构体.CRL was reacted much more quickly with...