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单词
alkene
释义
alkene
/ˈælki:n/
n. Chem.
any of a series of unsaturated aliphatic hydrocarbons containing a double bond and having the general formula C
n
H
2
n
, including ethylene and propene
【化】烯烃
(
分子式为
C
n
H
2
n
)
[ALKYL + -ENE]
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orientational
orientation course
orienteer
orienteering
orient oneself
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origami
origanum
origin
original
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originally
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original sin
originate
origination
originative
originator
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orinasal
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oriole
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更新时间:2026/8/15 12:26:53