greywacke

英 ['greɪwæk] 　 　 美 ['greɪˌwæk] 　 　
  • n. 硬砂岩

greywacke的相关资料：

临近单词

greying grey Grey-bellied Spinetail grey-system prediction grey kid head skin plate grey dynamic model group grey relation projection grey clustering analysis grey corelation analysis greycorrelation analysis grey diagnosing approach Grey-headed Parrotbill
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