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Last Updated：2024/06/11
語彙を覚えるための辞書問題
語彙を覚えるための辞書問題

(放射性物質の)半減期

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Source Word

half life

IPA(Pronunciation)
/hæf laɪf/

(放射性物質の)半減期

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Google Translation / DeepL Translation

ウラン238の半減期は45億年です。

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Sense（1）

(放射性物質の)半減期

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語彙を覚えるための辞書問題
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