苗条的天鹅和纤细的臭鼬在滑滑的黏泥上游泳.Slim swans and slender skunks swim in the slippery slime.而循环冷却水系统生物黏泥的产生主要是因系统发生漏油事故所致.And the main reason to bring biological sludge into circulating water system is oil - leaking accident....
一家名为纽彻奇的咨询公司对57家医院所作的调查显示改善十分明显。A survey of 57 hospitals by Newchurch, a consultancy, reveals striking improvements.在克赖斯特彻奇遭遇惨败后，新西兰的投球手们还有还手之力吗？Can the New Zealand bowlers fight back after their thrashing at Christchurc...
The spread of urban areas endangers wildlife.扩大城市面积危害着野生物.Any deviation from this pivotal task endangers our material base.离开了经济建设这个中心,就有丧失物质基础的危险.This endangers anile mining area severely live and develop.这严重地危及到衰老矿区的生存...