The visitors were swept past various monuments.游客们被带着走马观花地参观了各种纪念碑。Protective measures are necessary if the city's monuments are to be preserved.要保存城市古迹必须采取一些维护性措施。All architecture on the tableland is defensive, all...
论述了以相转移催化剂催化合成邻硝基茴香醚的新方法.The process of synthesizing o - nitroanisole by using phase - transfer catalyst was described.丁化羟基茴香醚: 一种白色蜡状的苯酚抗氧化剂, CHO, 用于保存脂肪和油, 尤指在食物中.BHa: a white, waxy phenolic antioxidant, CHO, used to p...
It is undeniable that the economic picture is brightening.不可否认经济状况正在好转。"Oh, we'd love to!" cried Nancy, her face brightening.“哦，我们很乐意！”南希面露喜色，大声说道。" All right,'said Drouet, brightening.“ 好的, "杜洛埃说, 又快活起来....