在这种情形中,有两种几乎不能互变的变态.There are two almost non - interconvertible modifications.酮及烯醇互变是互变作用最普通的现象, 它们都是真实的化学实体.Keto - enol tautomerism is the most common tautomery phenomenon. Keto - enol themselves are the real chemical s...
Ramps should be provided for wheelchair users.应该给轮椅使用者提供坡道。He has the upper floor and ramps are fitted everywhere for his convenience.他住在上面一层,为了他的方便着想,到处设有坡道.With the on - ramps, it all totals two and a half miles.包括上面的斜...
Ludlow: And lead other boys to the slaughter and be slaughtered yourself.鲁上校: 对,可以带一队联军跟敌人厮杀!Whales and dolphins are still being slaughtered for commercial gain.仍然有人为了商业利益大肆捕杀鲸鱼和海豚。A crazed gunman slaughtered five people...
他的办公室一片狼藉,文件成堆,烟灰满缸。His office was a disaster area of papers and full ashtrays.他冲洗了浴缸,然后放满了一缸水。He sluiced the bath and filled it.他猜出了缸里豆子有多少.He guessed the number of beans in the jar....