999英语网 英语单词
Ralstonite的音标发音
Ralstonite
英式发音：[rlstnat]
美式发音
(n.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
手打:托马斯
(n.) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
手打:托马斯