certification /.sә:tifi'keiʃәn/ GRE英语词汇 📖 中文释义 n. 证明[经] 证明 🔗 释义中的汉语词 证明 🧩 词形变化 复数 certifications 📘 English Definition(英文释义) n. the act of certifying or bestowing a franchise on ← certificating C 字母词表 certification by a notary →