最終更新日：2024/07/31

An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.

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green sand

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green sand

noun

An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.

I found a beautiful beach with green sand.

意味（1）

An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.