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| 11. | a colorless poisonous gas; made by the oxidation of methanol. |
| 一种无色有毒气体，由甲醇氧化制成。 |
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| 12. | Arsine is a colorless, poisonous gas that requires careful handling. |
| 胂是一种无色的有毒的气体需要小心地对待。 |
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| 13. | Arsine is a toxic, colorless gas with a garlic-like odor at room temperature and atmospheric pressure |
| 胂是一种无色有毒气体, 在室温和大气压力下会发出类似大蒜的气味。 |
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| 14. | a colorless odorless gas used as fuel. |
| 一种无色无味的气体，用作燃料。 |
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| 15. | NF3 is a colorless gas. |
| NF3是无色气体。痕量的杂质会使气体带有一种霉味或刺激性气味。 |
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| 16. | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances |
| 一种重的无嗅无色的气体，在呼吸过程中和有机物分解时形成，在空气中被植物通过光合作用吸收。 |
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| 17. | a colorless flammable gas used as a local surface anesthetic. |
| 一种无色的易燃的气体被用作麻木一个地方的表面使用。 |
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| 18. | a colorless odorless gas used as a fuel. |
| 一种无色无嗅的气体，用作燃料。 |
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| 19. | a colorless flammable gas sometimes used as an anesthetic. |
| 一种可燃气体曾被用作麻醉剂。 |
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| 20. | a colorless flammable gas used chiefly in welding and in organic synthesis. |
| 一种无色、极易燃的气体，主要用于金属熔接和有机合成。 |
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