blueness /'blu:nis/ 📖 中文释义 n. 蓝, 沮丧, 忧郁 🔗 释义中的汉语词 忧郁 📘 English Definition(英文释义) n blue color or pigment; resembling the color of the clear sky in the daytime ← Bluemel's treatment B 字母词表 bluenose →