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| 二烯系 | |||
| 二烯烃属 | |||
| 二烯; 双烯 | |||
| 二烯烃 | |||
| 双烯烃 | |||
| 二烯烃 | |||
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| 二烯烃属; 双烯 | |||
| 二烯类 | |||
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diene : 86 phrases in 12 subjects |
| Automobiles | 2 |
| Chemistry | 21 |
| General | 1 |
| Isolation | 1 |
| Oil / petroleum | 8 |
| Perfume | 5 |
| Plastics | 8 |
| Polymers | 24 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 9 |
| Water resources | 3 |
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