softener /'sɔfnә/ 📖 中文释义 n. 软化剂, 硬水软化器[化] 软化剂 🧩 词形变化 复数 softeners 📘 English Definition(英文释义) n. a substance added to another to make it less hard ← softened water S 字母词表 softener of rubber →