1. 万灵油：snake fence 蛇形围栅 | snake oil 万灵油 | snake pit 疯人院

2. 江湖郎中开的药：The next hour is a blur to me. 接下来的一个小时我就稀里糊涂了. | I have worked my butt out. 我干活干得筋疲力尽了. | snake oil 江湖郎中开的药

3. 蛇油密码：蛇形 snake | 蛇油密码 snake oil | 蛇形行主索引 snake-like row-major indexing

noun

1. communication (written or spoken) intended to deceive

    Synonym: humbug

2. (medicine) any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless