vacuum baking

例句：

1. 1. Thechef uses a vacuum to bake the breadin the oven.
   厨师使用真空在烤箱中烘烤面包。
2. 2. The cake was baked ina vacuum chamber for extra crispness.
   蛋糕在真空腔体中烘烤以获得额外的酥脆度。
3. 3. Vacuum bakingis an effective way to preserve food withoutadding preservatives.
   真空烘烤是一种有效保存食物而不添加防腐剂的方法。