基本解释[經濟學]頁巖油母英汉例句雙語例句Nearly 80% of the oil-shale kerogen can be extracted as a toluene soluble bitumen with average molecular weight about 800.可從油頁巖中得到對有機質約80％的瀝青抽出物（平均分子量約800）。oil-shale kerogen更多例句专业释义經濟學頁巖油母