使铜氧化变成氧化铜.Oxidize copper to copper oxide.硫化铜和氧化铜也是很抢眼的替代材料.Copper sulfide and copper oxide were also attractive candidates.氧化铜是由铜和氧组成的.Copper oxide is made up of copper and oxygen....
The imidazoline was synthesized from black acid liquid.以酸性黑油为原料合成咪唑啉.Then the imidazoline boric acid ester was synthesized when the intermediate reacts boric acid.采用两步法合成月桂酸味唑啉硼酸酯....
“这不会有什么危险的，弗雷迪，”阿诺德急忙补充了一句。"There's no threat in this, Freddie," Arnold hastened to say.弗雷迪·摩克瑞是英国硬摇滚乐界一颗耀眼的明星。Freddie Mercury was a flamboyant star of the British hard rock scene.弗雷迪 几乎每星期天晚上都进城.Freddie almost [ ne...
The bellboy led us to our rooms.旅馆服务员把我们带到了我们的房间。Thank you. Your room is 121 MARTINEAU. Here is the key. Do you need bellboy show - up service?谢谢. 你的房间号是121MARTINEAU.这是房间钥匙. 需要门童带你上去 吗 ?Chandler exacted the flat two doll...