Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。The snowcoach concept in Yellowstone provides low-impact, low-pollution access.在黄石公园里使用雪车这一想法，为人们提供了一种对环境低影响、低污染的游...
...the need to control environmental pollution...控制环境污染的需要Pollution is the price we pay for an overpopulated, over industrialized planet.污染就是我们为这个人口过密, 过度工业化的星球所付出的代价.Environmentalists say a critical factor in the city&#...
在悬索桥的纵梁和横的连接处,纵梁的腹板上发生开裂.Stringer webs have cracked in suspension bridges at the stringer - floor bean connections.纵梁成为栏杆的一部分.The longitudinal girder forms part of the parapets.制造时,为安装纵梁翼缘,在箱型梁中用焰割法开槽口.During fabrication...
And while I'm out you might clean up the kitchen.我不在的时候，你打扫一下厨房总该可以吧。The nation's advertisers need to clean up their act.该国的广告商需要规范自己的行为。Since then, the authorities have tried to clean up the sport.从那以后，有关当局已努力...
筛窦炎在儿童中常并发眼眶蜂窝织炎及脓肿.Ethmoid sinusitis is frequently complicated in children by orbital cellulitis and abscess.目的制备窦炎合剂并观察其临床疗效.ObjectivePrepare the Douyan mixture and observe its clinical curative effect.另外, 有2例无症状的蝶窦炎.I...
His full mustache curled upward in a jaunty, arrogant way.他的全部小胡子往上翘着,显出一副扬扬得意的傲慢态度.You are great, do not need as light exposure, insufferably arrogant.你就是了不起, 也不需要那样光芒外露 、 不可一世.I thought him conceited and arrogant...我认为...