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单词
protium
释义
pro
·
ti
·
um
/ˈprəʊtɪəm,-ʃɪ-/
n.
【
化
】
氕
(氢的同位素)
[NL < PROT- + -IUM]
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kayakist
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更新时间:2026/7/10 10:15:48