coom /ku:m/ 📖 中文释义 n. 煤烟[建] 煤烟, 炭黑 🔗 释义中的汉语词 煤烟炭黑 📘 English Definition(英文释义) n. Soot; coal dust; refuse matter, as the dirty grease whichcomes from axle boxes, or the refuse at the mouth of an oven. ← cooly C 字母词表 Coomassie →