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单词
pyrrolidone
释义
pyr
roli
done
/pɪˈrɒlɪdəʊn
/
noun
[
mass noun
]
Chemistry
A colourless weakly basic solid which is a keto derivative of pyrrolidine.
Chemical formula: C
4
H
7
NO.
The water-soluble macromolecular compound preferably includes a copolymer of N-vinyl - 2 - pyrrolidone and vinyl acetate.
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patronymically
patroon
patroonship
pat someone down
pat someone on the back
patsy
patta
pattable
pattamar
pattawalla
Pattaya
patte
patte d'oie
patten
Patten, Christopher
pattener
patten-maker
patten shoe
patter
patterer
pattern
patternable
patternation
pattern baldness
pattern-bomb
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更新时间:2025/6/24 7:28:53