oil-shale kerogen的用法和樣例：
例句
- The efficiency of the elimination of such minerals is measured by the ash content of the residual kerogen.
這些無機物的消除程度是用剩餘油母質的灰分含量來測定的。 - The aromatic hydrocarbon structures in kerogen carry free electrons stabilised by the reasonating bonds of benzene rings.
油母質中的芳香烴結構含有被苯環共振鍵穩定的自由電子。
