腐烂, 衰退, 蛀牙
to rot or decompose through the action of bacteria and fungi
示例:• The fallen leaves began to decay on the forest floor.落叶开始在森林地面上腐烂。• Without proper preservation, food will quickly decay.如果没有适当的保存，食物会很快腐烂。同义词:rotdecomposeputrefyspoildisintegrate