我如何遍历这个哈希数组以获得一个特定值: RUBY

admin

我拥有的散列如下：

aoh=[
  { "name": "Vesper",
    "glass": "martini",
    "category": "Before Dinner Cocktail",
    "ingredients": [
      { "unit": "cl",
        "amount": 6,
        "ingredient": "Gin" },
      { "unit": "cl",
        "amount": 1.5,
        "ingredient": "Vodka" },
      { "unit": "cl",
        "amount": 0.75,
        "ingredient": "Lillet Blonde" }
    ],
    "garnish": "Lemon twist",
    "preparation": "Shake and strain into a chilled cocktail glass." },
  { "name": "Bacardi",
    "glass": "martini",
    "category": "Before Dinner Cocktail",
    "ingredients": [
      { "unit": "cl",
        "amount": 4.5,
        "ingredient": "White rum",
        "label": "Bacardi White Rum" },
      { "unit": "cl",
        "amount": 2,
        "ingredient": "Lime juice" },
      { "unit": "cl",
        "amount": 1,
        "ingredient": "Syrup",
        "label": "Grenadine" }
    ],
    "preparation": "Shake with ice cubes. Strain into chilled cocktail glass." }]

我如何才能遍历这个过程，只得到配料(而不返回名称、玻璃、类别等)？我还需要对amount进行相同的迭代，但我假设它看起来就像是对配料的迭代。对于这个愚蠢的问题我很抱歉，我是ruby的新手，并且已经尝试了几个小时了。

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