“protobitumen”的概念、定义、翻译、参考文献-科学参考

单词	protobitumen
释义	protobitumen [¦prōd·ō·bǝ`tü·mǝn] ^MATERIALS Any of the fats, oils, waxes, or resins which are present as unaltered or nearly unaltered plant and animal products from which fossil bitumens are formed.
随便看	curvilinear regression curvilinear solid curvilinear transformation curvilinear trend cuscus oil Cuscutaceae cusec Cushing's syndrome cushion cushion effect cushion gas cusp cuspate bar cuspate ripple mark cusp cap cusped magnetic field cuspid agmatine agmatite agnate Agnatha agnathia agnosia agonic line Agonidae

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