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单词
polyisoprene
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pol•y•i•so•prene
(pol′ē ī
′
sə prēn′),
USA pronunciation
n.
[
Chem.
]
Chemistry
a thermoplastic polymer, (C
5
H
8
)
n
, the major constituent of natural rubber and also obtained synthetically.
poly
- +
isoprene
1930–35
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unafraid
unalachtigo
unalaska
unalaska island
unalienable
unalterability
unalterable
unalterableness
unalterably
unaltered
unambiguous
unambivalent
un-american
un-americanism
unami
unamuno
unaneled
unanimity
unanimous
unanimously
unanimousness
unanswerable
unanswerableness
unanswerably
unappealability
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更新时间:2025/11/12 0:03:32