graywacke
n. 杂砂岩;硬砂岩(等于 greywacke)
n.硬砂岩
emphases featheredge liverwort overspeculate quadripartition smoothhound succorance下载迅蛙App
lolian2#163.com
n. 杂砂岩;硬砂岩(等于 greywacke)
n.硬砂岩
emphases featheredge liverwort overspeculate quadripartition smoothhound succorance