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单词
lactone
释义
lactone
—
lactonic
/lak ton"ik/
,
adj.
/lak"tohn/
,
n. Chem.
any of a group of internal esters derived from hydroxy acids.
[
1840-50; LACT- + -ONE
]
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needlefish
needlepoint
Needles
needless
needle trades
needle valve
needlewoman
needlework
needn't
needs
needy
neem
Neenah
neencephalon
neep
ne'er
ne'er-do-well
nef
nefarious
Nefertem
Nefertiti
Nefud Desert
neg
neg.
negate
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更新时间:2026/7/24 4:25:21