999英语网 英语单词
Manganite的音标发音
Manganite
英式发音：[mgnait]
美式发音
(noun.) a black mineral consisting of basic manganese oxide; a source of manganese.
尤金伲亚整理
(noun.) a black mineral consisting of basic manganese oxide; a source of manganese.
尤金伲亚整理