Diplomats can be a notoriously unreliable and misleading source of information.外交官可能会提供一些靠不住的误导性信息，这是众所周知的。He had an unreliable car.他有辆性能不稳定的车。His judgement was unreliable.他的判断不可靠。...
The door on the left, upon entering the church, leads to the Crypt of St Issac.一进教堂左边的那扇门通往圣以撒墓。Abraham was about to sacrifice Issac.亚布拉罕正要用艾瑟克作祭品.For example , Sir Issac Newton believed in a static universe with an even...
Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.Thus , this reduced temperature of...