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单词
actinium
释义
actinium
英
/ ?k?t?ni?m /
美
/ ?k?t?ni?m /
简明释义
n.
[化学]锕(元素符号 Ac)
专业释义
1
化学
锕(元素符号ac)
ac 锕
锕
2
地球科学
锕
?A锕
3
能源科学技术
锕
随便看
helderman
helders
hold everything
hold fast
hold fire
hold firm
hold for
hold forth
hold good
hold good for
hold ground
hold hands
held her breath
held his breath
held-in
hold in
hold in check
held in contempt
hold in derision
held
hold in high regard
hold in leash
hold in play
held in reverence
hold in the balance
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2025/3/17 10:53:19