3325英语网 英语单词
Rottenstone的音标发音
Rottenstone
英式发音：[rɒtnstәun]
美式发音
(noun.) a weathered and decomposed siliceous limestone; in powdered form it is used in polishing.
贾尔斯录入
(noun.) a weathered and decomposed siliceous limestone; in powdered form it is used in polishing.
贾尔斯录入