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单词 greystone
释义

greystone

/ˈɡreɪstəʊn/
noun
(A) A building stone of a grey colour. (b) Geology. A grey volcanic rock composed of feldspar (sometimes replaced by leucite or melilite) and augite or hornblende (now chiefly historical ).

Origin

Late 18th century. From grey + stone.

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更新时间:2025/3/25 3:04:06