...the costs of tipping rubbish in landfills...在废弃物填埋场倾倒垃圾的成本It was estimated that these landfills could be used up to 2020.据估计,这三个堆填区只可应付目前的需要至2020年.The anti - seepage system is one of the important components of sanita...
The map shows the position of the new landfills.这张地图上标有新的废物填埋场的位置。It was estimated that these landfills could be used up to 2020.据估计,这三个堆填区只可应付目前的需要至2020年.The anti - seepage system is one of the important components of s...
...a prize-giving for cattle-breeding.养牛展的颁奖仪式Birth is much,but breeding is more.出身重要,教养更重要。Also needed is more investment in livestock research, such as breeding for hardier animals.同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.It...