humectant /hju:'mektәnt/ 📖 中文释义 n. 湿润剂, 保湿剂a. 湿润的 🧩 词形变化 复数 humectants 📘 English Definition(英文释义) n any substance that is added to another substance to keep it moist ← Hume-Rothery's phases H 字母词表 humectant-plasticizer →