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单词
ammonium
释义
Word Frequency
ammonium
(
əˈməʊnɪəm
,
-njəm
)
noun
(
modifier
)
of, consisting of, or containing the monovalent group NH
4
– or the ion NH
4
+
ammonium compounds
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pinbone
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更新时间:2025/3/10 15:14:20