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&#...
The components of a suspension bridge are: flexible cables, towers, anchorages, suspenders, deck and stiffening trusses.悬索桥有下列构件: 柔性索缆 、 索塔 、 锚固件 、 吊杆 、 桥面、加劲桁架.Helically wound multi - filar cables and braids now predomi...
他正全力应对如何解决通货膨胀的问题。He is tussling with the problem of what to do about inflation.他们已经为儿子竭尽了全力。They had done everything humanly possible for their son.运动场管理员全力整备球场。The ground staff do all they can to prepare the pitch....
在花粉形成过程中,花药内天然产生一种化合物.During pollen formation a compound is produced naturally in the anther.将花药筛到无光的 、 具渗透性的纸上, 如报纸或卫生纸, 以便花药干燥.Sift the anthers onto unglazed, permeable paper, such as newspaper or paper toweling, for d...
He agreed to pay them a denarius for the day and sent them into his vineyard.和工人讲定一天一银子,就打发他们进葡萄园去.The workers who were hired about the eleventh hour came and each received a denarius.约在酉初雇的人来了、各人得了一钱银子....