obsolescence /.ɒbsә'lesәns/ 📖 中文释义 n. 荒废, 淘汰, 过时, 退化[医] 废弃 🔗 释义中的汉语词荒废过时退化废弃 📘 English Definition(英文释义) n. the process of becoming obsolete; falling into disuse or becoming out of date ← obsolesced O 字母词表 obsolescent →