snake oil

常见例句

用作名词 (n.)

• All of these things act to remove any type of protective coating, whether it's a high quality protectant or an inexpensive snake oil.
  所有这些情况，都可能清除掉任何保护层，不管它是质量最好的还是便宜的蛇油。
• Methods to encourage the regrowth of hair have been around since the time of ancient Egypt, when techniques included the application of snake oil or the menstrual blood of virgins.
  促进毛发再生的方法自古埃及以来便已存在，当时人们采用的材料包括蛇油或处女经血等。
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