有关当局发现制药厂用地沟油制药后，已经开始采取应对措施。国家食品药品监管局希望国内制药公司仔细检查原料来源，绝不能让有害物质混入药品中。

　　Authorities have stepped up measures against gutter oil after more pharmaceutical firms were found to have used the waste material.

　　The State Food and Drug Administration has told the country's pharmaceutical firms to carefully scrutinize their sources to prevent such ingredients being used in medicine.

　　"gutter oil"地沟油的意思，也可译成illegal cooking oil或swill-cooked dirty oil。

　　例句：

　　1. Gutter oil is collected and refined from eatery offal,and it always contains animal fat.

　　地沟油是从餐饮业废弃物中提取的，成分复杂，常混有动物脂肪。

　　2. If the content of cholesterol was more than 0.05 mg/g, the vegetable oil was considered to have mixed with gutter oil.

　　使用这种方法，当食用植物油中掺有0.05毫克/克以上的地沟油时，即可检出。

　　3. Gutter oil refers to oil extracted from oily floats in the drain or leftover food from hotels or restaurants.

　　地沟油取自地沟中的浮油或宾馆、餐厅里的残渣剩饭。

　　相关词汇：

　　water drain 下水道

　　recycle 再循环、再利用

　　illegal 非法的