地沟油的英文：
hogwash oil
swill-cooked dirty oil
illegal cooking oil

地沟油是人们在生活中对于各类劣质油的通称。通俗地讲，可分为以下几类：一是将下水道中的油腻漂浮物或者将宾馆、酒楼的剩饭、剩菜（通称泔水）经过简单加工、提炼出的油；二是劣质猪肉、猪内脏、猪皮加工以及提炼后产出的油；三是用于油炸食品的油使用次数超过规定要求后，再被重复使用或往其中添加一些新油后重新使用的油。

The government report about the murder was nothing but hogwash.
政府对那件谋杀案的报告只是一派胡言。

pecan oil (=hickory oil)
美洲山核桃油

The oil is carried to the oil refinery by pipelines.
石油通过输油管输送到炼油厂。

The traditional carding oil has been replaced by mineral oils
用矿物油代替惯用的梳毛油。

You feed them swill and such stuff?
你肯定喂了它们剩饭残羹这类东西了吧？

Give the pail a good swill.
好好冲洗水桶。

Muddy water swilled over the planks.
泥浆在木板上流过。