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单词
alkali metal
释义
alkali metal
n.
any of the monovalent group of metals, lithium, sodium, potassium, rubidium, and caesium, whose hydroxides are alkalis
碱金属
(
如锂、钠、钾、铷、铯等单价金属,其氢氧化物呈碱性
)
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更新时间:2026/5/4 5:59:59