graywacke
n. 杂砂岩;硬砂岩(等于 greywacke)
n.硬砂岩
countermortar fisticuff franglification incidence option quietus sluiceway下载迅蛙App
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n. 杂砂岩;硬砂岩(等于 greywacke)
n.硬砂岩
countermortar fisticuff franglification incidence option quietus sluiceway