英语词汇“protobitumen”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protobitumen
释义	protobitumen protobitumen [¦prōd·ō·bə′tü·mən] (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	blowpipe analysis blowpipe dart blowpipe reaction blowpipe reaction analysis blowpipes blowpit blowpoint blow pressure blow raspberries blow rate blows blows a bundle blows a fuse blows a gasket blows a hole blows a hole in blows a hype blows a kiss blows a snot rocket blows away blows away the cobwebs blows beets blows brains out blowse blow, send, etc. somebody to kingdom come

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