landfill是什么意思？

While many birds travelled along well-known routes to warmer climates, others stopped short and spent the winter on landfills, feeding on food waste, and the multitudes of insects that thrive on the dumps.

Massive rubbish dumps and sprawling landfills constitute one of the more uncomfortable impacts that humans have on wildlife.

Landfill sites on the Iberian Peninsula have long attracted local white storks, but all of the Spanish birds tagged in the study flew across the Sahara Desert to the western Sahel.

Flack said it was too early to know whether the benefits of plentiful food outweighed the risks of feeding on landfills.