This reaction involves disproportionation of the aldehyde.这个反应就是醛的歧化作用.Nano - Ni was first used as catalyst for disproportionation of resin acid.将 纳米 镍催化剂首次应用于树脂酸的歧化反应中.In toluene disproportionation, the catalytic activi...
两点三点白鸥划破了渐变为赭色的天空.The sky, deepening to ochre, is broken by two or three seagulls.褐赭色的山冈延绵数百英里不断.The low , brownish - ocher mountains continued for hundreds of miles.他把墙壁涂成赭色了.He painted the walls ochre....
The teacher went round the class to gather the papers.老师在教室里走了一圈收试卷。I suggest we gather enough firewood to last the night...我建议大家捡足够多的木柴来撑过这一晚。It is a geat time for us to relax and gather with our friends.对我们来说,和朋友一起聚会、放...
她把大部分存款投资在公债和股票上.She invested most of her savings in stocks and shares.他买了许多公债.He bought a lot of government stock.他们热心购买公债.They are eager to buy their government bonds....
It was as the magazine's business manager that he found his true metier.他在担任杂志的业务经理后才发现自己真正的专长。Don't ask me how to make an omelette; cooking isn't my metier.可别问我怎么摊鸡蛋, 烹饪不是我的专长.Don't ask me how to mak...