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prs的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 pr:
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a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process
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a self-governing commonwealth associated with the United States occupying the island of Puerto Rico
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a promotion intended to create goodwill for a person or institution
