慢速英语:People Have Produced Wine Since Ancient Times

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例句：Sugar is added to the wine during fermentation to increase the alcohol level.
      发酵时在葡萄酒里加糖以提高酒精浓度。

2.store vt.vi.储藏; 存放

例句：Some food won't store.
      有些食物不能贮存。

      They used the house to store the building materials.
      他们用那座房子来储藏建筑材料。

3.require v.要求, 规定

例句：The occasion requires formal dress.
      这场合要求穿礼服。

      He required to see my passport.
      他要看我的护照。

4.vineyard n.葡萄园

例句：We spent the summer touring the French vineyard.
      我们参观法国葡萄园度过夏天。

5.beholden a.负有义务的,有所亏欠的

例句：We were much beholden to him for his kindness.
      我们对他的好意感激万分。