“biface tool”的概念、定义、翻译、参考文献-科学参考

单词	biface tool
释义	biface tool [`bī´fās `tül] ^{DESIGN ENGINEERING} A tool, as an ax, made from a coil flattened on both sides to form a V-shaped cutting edge.
随便看	sextile aspect sextillion sexual cycle sexual dimorphism sexuality sexually transmitted disease sexual reproduction sexual selection sexual spore seybertite Seyfert galaxy Seyfert's Sextet Seymouriamorpha Sezary syndrome S factor SFC tectonic framework tectonic land tectonic lens tectonic map tectonic moraine tectonic patterns tectonic plate tectonic rotation tectonics

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