One secret military unit tried to contaminate the drinking water of the refugees...一个秘密军事分队企图污染难民的饮用水。All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。The sources of organisms that may contam...
All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。The sources of organisms that may contaminate the wound are numerous.可以沾染伤口的细菌来源是很多的.White cells contaminate the red cell and platelet compone...
一只鸽子从塔里钻出来，扑扑地拍打着翅膀。A pigeon emerges, wings flapping noisily, from the tower.耗时五年才钻到了基岩。It took five years to drill down to bedrock.窗户对他来说实在太小，他钻不过去。The window was far too small for him to get through....
...the Sahara Desert.撒哈拉大沙漠Defoe skilfully narrated the adventures of Robinson Crusoe on his desert island.笛福生动地叙述了鲁滨逊·克鲁索在荒岛上的冒险故事.The remote desert area is accessible only by helicopter.只有乘直升机才能进入那遥远的荒漠地区。But lusted ex...