retardation /.ri:tɑ:'deiʃәn/ 📖 中文释义 n. 迟延, 妨碍, 阻止[化] 缓聚作用 🔗 释义中的汉语词 迟延妨碍阻止 📘 English Definition(英文释义) n. the extent to which something is delayed or held backn. lack of normal development of intellectual capacities ← retardate R 字母词表 retardation coil →