英语词汇“pitchstone”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pitchstone
释义	pitch·stone 英ˈpɪtʃˌstəʊn美ˈpɪtʃˌstonAHDpĭchʹstōn' 基本英英 n.松脂岩¹⁰⁰ Noun: dark acid granitic glass
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