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单词
polyvinyl formal
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pol
′
yvi
′
nyl for
′
mal
(fôr
′
mal),
USA pronunciation
[
Chem.
]
Chemistry
a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
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ornamental
ornamentalism
ornamentality
ornamentally
ornamentation
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ornith-
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ornithic
ornithine
ornithischian
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ornithoid
ornithol.
ornithol
ornithologically
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更新时间:2025/7/23 9:18:58