“Washita stone”的概念、定义、翻译、参考文献-科学参考

单词	Washita stone
释义	Washita stone [`wäsh·ǝd·ǝ ´stōn] ^MATERIALS A relatively porous and not very dense oilstone, used chiefly for whetstones and for sharpening coarse tools.
随便看	Fraunhofer region Fraunhofer spectrum Frazer-Brace extraction method frazil frazil ice freckle Fredholm determinant Fredholm integral equations Fredholm operator Fredholm theorem Fredholm theory free admittance free air free-air anomaly free-air gravity anomaly free-air ionization chamber free-air temperature free ascent free association free atmosphere free atom free balloon freeboard freeboard deck free-burning coal

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