在醇溶剂中,它不能被硼氢化物还原.It is resistant to borohydride reduction in alcoholic solvents.硅易于和卤化物化合成新的化合物.The silicon with halogenideization composes easily the new chemical compound.因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.Since aphid popula...
There needs to be a properly informed public debate.有必要让公众在充分知情的状况下展开辩论。Choose a soft, medium or firm mattress to suit their individual needs.针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。The economy needs an immediate 2 per cent cut in i...
He is a demon organizer.他组织能力极强。She has an undoubted talent as an organizer.她的确有组织才能。He felt a grudging respect for her talents as an organizer.他勉强地对她的组织才能表示尊重....