Propylene

[prәupili:n]

解释:

(noun.) a flammable gas obtained by cracking petroleum; used in organic synthesis.

校对:莱斯利--From WordNet

解释:

(n.) A colorless gaseous hydrocarbon (C3H6) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene.

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