单词	butene
释义	butene noun bu·​tene ˈbyü-ˌtēn  : a straight-chain butylene Example Sentences Recent Examples on the Web Butane is most commonly used in cigarette lighters, but it can also be transformed into butene, which is used to create synthetic rubber. Roy Berendsohn, Popular Mechanics, 20 Feb. 2017 Word History Etymology International Scientific Vocabulary butyl + -ene First Known Use 1885, in the meaning defined above Medical Definition butene noun bu·​tene ˈbyü-ˌtēn  : either of two butylenes having a straight-chain structure
随便看	serous fluid serous fluids serous membrane serouser serousest serousser seroussest serovars serow Serowe serows serozem serozyme serpasiles serpasils plowable plowback plowbacks plowboy plowboys plowed plowed ahead plowed back plowed into plowed on

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