The fossil fuels (coal and oil) are finite resources.化石燃料（如煤和石油）属于有限资源。Fire may have breached the cargo tanks and set the oil ablaze.大火当时有可能把货船上的油罐烧漏了，从而引燃原油。Petroleum engineers plan and manage the extraction of oil.石油工程...
That is in stark contrast to the situation during the 1970 oil crisis.那和1970年石油危机时的情形完全不同。Oil leaking from a barge in the Mississippi River poses a hazard to the drinking water of New Orleans.密西西比河上驳船漏油事件危及新奥尔良市的饮用水。We d...
When John was 17, he died of congenital heart disease.约翰17岁时死于先天性心脏病。a congenital inability to tell the truth生就的不会说实话He has a congenital heart defect.他有先天性心脏缺陷....
Light colours provide an effective backdrop for pictures or a mirror.浅色是挂放图画或镜子很有效果的衬托。The mountains provided a dramatic backdrop for our picnic.群山如画，给我们的野餐平添景色。The large bay has a superb backdrop of mountains.大海湾背靠着庄严的山...