The new shopping centre was constructed at a cost of 1.1 million.新建成的购物中心耗资110万。I didn't realize how heavy that shopping was going to be.我没想到买的东西会有多沉。Now what about that shopping list? I've got to get going.那张购...
Kodak company describes open chain reactive methylene two - equivalent yellow - forming conplers.柯达叙述了一种直链的活性亚甲基两当量的黄成色剂.The reactor and transfer line are rinsed with several small portions of methylene chloride.反应器和输送管线...