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Francium is the densest of the Alkali Metals and also radioactive.

是碱金属中,具有放射性。

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neopentyl, neophilia, neophiliac, neophobia, neophrenia, neophron, neophryne, neophyosis, neophyrin, neophytadiene,

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3G, 401(K), a,

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A lump of Plutonium, which is very radioactive, is really quite warm to touch. And francium, which I think is more radioactive, is probably very warm.

一块性很强的钚,起来真的很暖和。我认性更强的可能非常暖和。

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neoplastic, neoplastic cell, neoplasticism, neoplasty, neoplathymenine, neoplatin, Neo-Platonic, Neoplatonism, Neo-Platonism, neoplatyphylline,

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3G, 401(K), a,
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