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Noun:
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a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
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the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it
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用作名詞 (n.)
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A series of new pyrene derivatives have been synthesized, and the photophysical properties have been studied by UV-absorption spectra and steady-state fluorescence spectra.
這段話人工新一系列表新的芘產生物,用太陽光的紫外線光譜圖儀和恒定熒光光譜圖儀最簡單的方法調查了什么和什么的光數學經營性質。
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海詞字典,十六年產品