“tourmaline”的概念、定义、翻译、参考文献-科学参考

单词	tourmaline
释义	tourmaline [`tu̇r·mǝ´lēn] ^MINERALOGY (Na,Ca)(Al,Fe,Li,Mg)₃Al₆(BO₃)₃- Si₆O₁₈(OH)₄ Any of a group of cyclosilicate minerals with a complex chemical composition, vitreous to resinous luster, and variable color; crystallizes in the ditrigonal-pyramidal class of the hexagonal system, has piezoelectric properties, and is used as a gemstone.
随便看	numerical equation numerical forecasting numerical hydrodynamics numerical indicator tube numerical integration numerical range numerical system numerical tape numerical taxonomy numerical tensor numerical value megaflops megagametophyte megagauss megagauss physics megahertz megakaryocyte megakaryocytopenia megakaryophthisis megaloblast megaloblastic anemia megaloblast of Sabin megalocardia megalocephaly Megalodontoidea

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