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| 电气石; 高级淡色貂皮 | |||
| 电气石; 电英岩 | |||
| 碧硒 | |||
| English thesaurus | |||
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| A complex crystalline silicate containing aluminum, boron, and other elements. | |||
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tourmaline : 22 phrases in 4 subjects |
| Earth sciences | 2 |
| Geology | 1 |
| Technology | 16 |
| Textile industry | 3 |
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