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单词
perboric acid
释义
WordReference Random House Unabridged Dictionary of American English © 2024
per•bo
′
ric ac
′
id
(pər bôr
′
ik, -bōr
′
-),
USA pronunciation
[
Chem.
]
Chemistry
a hypothetical acid, HBO
3
, known only in the form of its salts.
per
- +
boric
acid
1880–85
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更新时间:2025/11/19 11:21:48