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Noun:
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used as a lubricant and as a moderator in nuclear reactors
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any plumbaginaceous plant of the genus Plumbago
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用作名詞 (n.)
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Later Thoreau converted the factory to producing plumbago, used to ink typesetting machines.
隨后不久梭羅讓企業轉型研發使用于吸塑油排頁機的石墨粉。
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之上知識獨有劇本創作，受作品權保護區，侵權行為必究
海詞漢語詞典，十二年品脾
美
[pl?m'be?go?]