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单词 emery
释义
em·er·y (ĕmə-rē, ĕmrē)
n.
A fine-grained impure corundum used for grinding and polishing.

[Middle English, from Old French emeri, emeril, from Late Latin smericulum, from Greek smuris, smiris; perhaps akin to smēn, to wipe, cleanse (of unknown origin) or to Hebrew šāmîr, a kind of very hard substance (possibly corundum).]
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更新时间:2024/9/20 12:14:15