fastness /'fɑ:stnis/ GRE英语词汇 📖 中文释义 n. 要塞, 巩固, 迅速[医] 抗拒性 🔗 释义中的汉语词 要塞巩固 🧩 词形变化 复数 fastnesses 📘 English Definition（英文释义） n. the quality of being fixed in place as by some firm attachment ← fastnacht F 字母词表 fastness of dyeing →