前に、前の
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problem
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project
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prepare
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protect
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programmer
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president
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promise
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prove
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preserve
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promote
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prosecute
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disapprove
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precision
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unprofitability
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disprove
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prominently
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predetermine
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proprietor
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projection
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proximity
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promotional
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proliferation
-
preemptive
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misrepresent
-
premise
意味を見る
この単語はもう覚えましたか？
YES
NO
promethiumの基本例文
Promethium is sometimes used as a source of x-rays.
プロメチウムはX線の源として使用されることがあります。
Promethium is used in some nuclear batteries.
プロメチウムは一部の核電池で使用されます。
Promethium is a rare earth element.
プロメチウムは希土類元素です。
promethiumの覚え方：語源
「promethium」という言葉は、ギリシャ神話に登場する神プロメテウスに由来するものです。彼は人類に火を与え、文明の発展を助けたとされています。この元素がプロメテウスから名付けられた理由は、同じようにエネルギーを生み出す力を持つことが期待されたためです。
語源 pre
語源 pro
前に、 前の
promethiumの覚え方：Image Search
英英和
- a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium安定した同位元素を持たないまれな土群の柔らかい銀質の鉄分要素Ｐｍ