垃圾掩埋场以伦敦黏土为天然地基，其防渗效果极佳。
The landfill sits on a natural foundation of London clay which is more or less impermeable.
这个新的屈辱激起了黏土的更大的不满：“我的不幸可以说是到了极点，被人用来装脏土垃圾了。”
The clay rebelled at this new disgrace. "this is the worst of all that has happened to me, to be rifled with dirt and rubbish."
这个新的屈辱激起了黏土的更大的不满：“我的不幸可以说是到了极点，被人用来装脏土垃圾了。”
The clay rebelled at this new disgrace. "this is the worst of all that has happened to me, to be rifled with dirt and rubbish."
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