METHODS: The target compound was synthesized from N - benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction. 方法: 以氮 - 苄基保护胺基酮为原料,经氢化, 苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯.
Vultures flew around in the sky waiting to pick at the carcass of the deer.秃鹰在天空盘旋等着啄食鹿的尸体.There is no need to pick at him all day long. He's a child after all.不要老是对他唠唠叨叨, 他毕竟还是个孩子嘛!I would like to know the Bus numb...
He telegraphed to me asking me to do something.他给我发来电报，叫我做点什么。Churchill telegraphed an urgent message to Wavell.丘吉尔给韦维尔发了封紧急电报。"Please," he telegraphed, "just leave it alone."“拜托，”他在电报中说，“别管它了。”...
He knew his place in the pecking order.他知道自己排老几。A robin was pecking at crumbs on the ground.一只知更鸟在地上啄食面包渣。It was winter and the sparrows were pecking at whatever they could find.时值冬季，麻雀啄食着能够找到的任何东西。...
This album confirmed The Orb's status as national stars, going straight to Number One in the charts...这张专辑确立了The Orb作为全国明星的地位，销量直升至排行榜首位。This album confirmed The Orb's status as national stars, going straight t...
Innumerable books have been written on the subject.已经有无数书籍写过这个主题。The innumerable stars in the sky are too far from us.天上无数的星星离我们太远了.In the endless flow of absolute truth there are innumerable relative truths.在绝对真理的长河中有无数...