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词汇 magma
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magma n.

mid-15c., "dregs, any crude mixture of organic matter," from Latin magma "dregs of an ointment," from Greek magma "thick unguent, ointment," from root of massein "to knead, mold," from PIE root *mag- "to knead, fashion, fit." Geological meaning "molten or semi-molten rock" is by 1859. Related: Magmatic.

updated on October 30, 2018

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更新时间:2025/5/27 22:05:24