They feel scared and powerless in conveyor-belt hospital wards.在千篇一律的病房里，他们感到恐惧而又无能为力。He was sympathetic, but powerless to help.他表示同情，但爱莫能助。When the enemy attacked, we were completely powerless against them.敌人进攻的时候，我们毫无抵...
The authorities seem powerless to stem the rising tide of violence...当局似乎无力阻止愈演愈烈的暴力活动。But time and again we become so powerless when nature unleashes its destructive force.但是﹐在面对自然那毁坏害的能力时﹐我们再次看见自己是那麽地软弱.If you don'...
There was a glow on his face , wrinkled by a life time of suffering, that inspired one with a feeling of unshakable optimism.他那饱经风霜的多皱的脸上发着光彩, 使人产生一种乐观的感觉.He had an unshakable premonition that he would die.他有一种强烈的预感，觉得自己...
The probability of survival is the reciprocal of fecundity.生存的概率是生殖力的倒数.The boy's fecundity of imagination amazed his teacher.男孩想像力的丰富使教师感到惊异.He used aphid fecundity data to elucidate the theoretical effects of anti...
我们想增加一些通晓科学的人手来运作电视台。We want to have more scientifically literate people running our television stations.他致力于科学的革新。He devoted his energies to the reformation of science.他们过分夸大了科学的力量。They are crediting science with power ...
梨后代果心大小遗传与组合类型有关,小果心出现的比例从高到低的组合类型依次为:小×小、小×中、大×中.The fruit core size was related to the crossed combinations.低温可有效的延缓果心褐变的发生.The result suggested that low temperature could postpone the appearance of browning.你所要做的就是把菠萝...