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| турмалин | |||
турмалин (Tourmaline ( /ˈtʊərməlɪn/, -/iːn/ TOOR-mə-lin, -leen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone can be found in a wide variety of colors.  wikipedia.org) | |||
| 英语 词库 | |||
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| A complex crystalline silicate containing aluminum, boron, and other elements. | |||
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tourmaline : 15 短语, 6 学科 |
| 一般 | 2 |
| 地质学 | 7 |
| 技术 | 1 |
| 矿物学 | 2 |
| 马卡罗夫 | 2 |
| 鸟类学 | 1 |