3325英语网 英语单词
Stilpnomelane的音标发音
Stilpnomelane
英式发音：[stɪlpnəʊ'melæn]
美式发音
(n.) A black or greenish black mineral occurring in foliated flates, also in velvety bronze-colored incrustations. It is a hydrous silicate of iron and alumina.
希尔达整理
