“elkerite”的概念、定义、翻译、参考文献-科学参考

单词	elkerite
释义	elkerite [`el·kǝ´rīt] ^MATERIALS A form of bitumen produced during a slow oxidation of petroleum.
随便看	pondage land ponded stream ponderosa pine ponding ponente Ponerinae pongee Pongidae poniente pons Pontian pontianak gum pontic pontine flexure Pontodoridae pontoon pontoon bridge pontoon-tank roof Pontryagin's maximum principle pony set pony truss poodle cloth pool pool cathode pool-cathode mercury-arc rectifier

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