例句：

　　He was acutely aware of the odour of cooking oil.

　　他强烈地觉察到了烹调油的味道。

　　Cooking oil is a special case?

　　食用油是一个特例么？

　　As the gutter cooking oil is smelly and very thick.

　　因为地沟油有臭味，而且很粘稠。