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单词
alkane
释义
alkane
/ˈælkein/
n. Chem.
any of a series of saturated aliphatic hydrocarbons having the general formula C
n
H
2
n
+
2
, including methane, ethane, and propane
【化】链烷
(
分子式为
C
n
H
2
n
+
2
)
[ALKYL + -ANE
2
]
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knock about (or around)
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knock a person off his (or her) perch
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knock back
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更新时间:2026/5/24 21:06:03