有奖纠错
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Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自后发现的其他放性元素有:锄、性针、,等等。

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goal-directed, goalie, goalkeeper, goalmouth, goal-orientation, goal-oriented, goalpost, goals, goal-setting, goaltender,

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3G, 401(K), a,

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Science Magazine Podcast

But if all the actinium drugs that are being developed succeed, they're going to need millions of doses, right?

但如果所有正在锕系药物都成功了,他们将需要数百万剂,对?

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Science Magazine Podcast

They do this year round and all their work, all their effort produces less than a grain of sand of actinium every year.

他们全年都在进行这项工作,他们所有努来,每年也只能生产不到一粒沙子大小锕。

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goat skin, goatbush, goatee, goateed, goatfish, goatgod, goatherd, goatish, goatling, goatmiker,

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3G, 401(K), a,
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