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单词
pentoxide
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pent•ox•ide
(pen tok
′
sīd),
USA pronunciation
n.
[
Chem.
]
Chemistry
an oxide containing five atoms of oxygen, as phosphorus pentoxide, P
2
O
5
.
pent
- +
oxide
1860–65
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更新时间:2025/11/24 11:20:13