
好词典

源自中古英语 'decayen',借自古法语 'decaer'(意为'衰落'),最终来自拉丁语 'decadere'(de- '向下' + cadere '落下')。
❶ 指物质因腐烂、变质或化学分解而失去原有状态或功能,常用于描述食物、牙齿或有机物的自然腐败过程。
“The decayed leaves turned into rich compost.”
(腐烂的叶子变成了肥沃的堆肥。)
“He had to remove his decayed tooth due to severe pain.”
(由于剧烈疼痛,他不得不拔掉那颗蛀牙。)
❶ 形容事物因缺乏维护或自然老化而逐渐衰败、失去活力或价值的状态。
“The once-great empire now lay in decayed ruins.”
(曾经伟大的帝国如今只剩衰败的废墟。)
“Her decayed enthusiasm made it hard to continue the project.”
(她衰退的热情使得项目难以继续。)
decayed matter — 指已经腐烂分解的有机物质,常见于堆肥或自然环境中。
“Earthworms help break down decayed matter into nutrients for plants.”
(蚯蚓帮助将腐烂物质分解为植物所需的养分。)
decayed tooth — 因蛀牙或细菌侵蚀而损坏的牙齿,通常需要牙科治疗。
“The dentist filled the cavity in her decayed tooth.”
(牙医填补了她蛀牙上的洞。)