“topaz”的概念、定义、翻译、参考文献-科学参考

单词	topaz
释义	topaz [`tō´paz] ^MINERALOGY Al₂SiO₄(F,OH) A red, yellow, green, blue, or brown neosilicate mineral that crystallizes in the orthorhombic system and commonly occurs in prismatic crystals with pyramidal terminations; hardness is 8 on Mohs scale, and specific gravity is 3.4-3.6; used as a gemstone.
随便看	torsional rigidity torsional vibration torsional wave torsion balance torsion bar torsion coefficients torsion damper torsion element torsion fault torsion-free group torsion function torsion galvanometer torsion group torsion hygrometer torsionmeter torsion module torsion pendulum torsion-string galvanometer torsion subgroup torsion submodule torso mountain torticollis tortoise Tortonian Tortricidae

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