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| 词头螺旋; 螺线; 蜷线; 呼吸; 通气; 螺旋形 | |||
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| 呼吸; 螺旋 | |||
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spiro : 13 phrases in 5 subjects |
| Chemistry | 4 |
| Oil / petroleum | 1 |
| Perfume | 1 |
| Polymers | 4 |
| Technology | 3 |
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