Expanding urban areas can not accommodate new landfills .

而城区的扩大又无法容纳新的垃圾填埋场出现。

Landfills produce methane-which can be valuable as an energy source .

垃圾填埋场能产生一种重要的能源物质甲烷。

Is there landfills in the area where you live ?

你居住的地区是否设有堆填区?

At present , most garbage is dumped in landfills .

目前大部分垃圾都是倾倒在掩埋场中。

They found historical maps and documents suggesting that excavation in lower manhattan would reveal landfills that might hold unusual artifacts .

他们发现，从历史地图和文件就可以表示，挖掘曼哈顿下城的垃圾填埋地里可能会披露出藏有不一般的文物。