| 单词 | ethylene |
| 释义 | ethylene n. Chem. a gaseous hydrocarbon of the alkene series, occurring in natural gas and used in the manufacture of polythene. Also called ETHENE. Usage Chem. formula: C2H4 Phrases and idioms ethylene glycol Chem. a colourless viscous hygroscopic liquid used as an antifreeze and in the manufacture of polyesters. Usage Chem. formula: C2H6O2.: also called ETHANEDIOL. Derivatives ethylenic adj. |
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