I sat on the stairs and watched, fascinated.我坐在楼梯上出神地观望。I slid into a depression and became morbidly fascinated with death.我陷入消沉,开始对死亡有种病态的迷恋。I was always fascinated by the acrobats at the circus.我总是着迷于马戏团里的杂技演员.A new ge...
Thus , this reduced temperature of reaction and increased the rate of acetophenone.降低反应温度,提高了苯乙酮的收率.Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法....
本文介绍了一种汞盐可逆光色涂层.The optical properties of a recoverable mercury salt photochromic paint were studied.镀黑铬色涂层凸显了黑矿色 、 黑钻石色 、 银色魅影和透明水晶的亮泽魅力.The ruthenium - plating highlights the sheen of Jet Hematite, Black Diamond, Silve...
周四晚上9点英国广播公司电视二台开始播放他的新连续剧。He begins his new series on BBC 2 at 9pm on Thursday.周四,南极气流给智利南部带来了刺骨的严寒。Antarctic air brought biting cold to southern Chile on Thursday.他因被控醉酒驾车而于周四在曼彻斯特的刑事法庭受审。He appeared at Manchester Crow...