“natural bitumen”的概念、定义、翻译、参考文献-科学参考

单词	natural bitumen
释义	natural bitumen [`nach·rǝl bǝ`tü·mǝn] ^GEOLOGY Native mineral pitch, tar, or asphalt.
随便看	code holes codehydrogenase I codehydrogenase II codeine code line code medium code position code practice oscillator coder coder-decoder code reader code ringing code scanner code-sending radiosonde code sensitivity code signal codetext code translation code transparency code-type radiosonde Codiaceae codimer coding coding delay coding disk

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