pozzolana
n. 火山灰(等于 pozzuolana)
n.火山灰(可用作水泥原料)n.=pozzuolana
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n. 火山灰(等于 pozzuolana)
n.火山灰(可用作水泥原料)n.=pozzuolana
dollishly grassplot haunted listlessly negotiating orthopaedy syrphid