英语新闻听写 研究发现美国学校的午餐越来越好

When the 2012 meal standards went into effect in schools across the United States, experts worried that the health changes would result in fewer students eating school lunches.

当2012年用餐标准在全美各地学校生效时，专家担心健康变化会导致很少学生在学校食用午餐。

A new study of a Washington state school district suggests this has not been the case.

华盛顿公立学校的一项新研究显示，事实并非如此。

The meal standards put a cap on the number of calories per meal and required that meals contain at least one serving of fruits and vegetables.

用餐标准限制了每餐的卡路里量，并要求用餐至少包括一份水果和蔬菜。

The researchers found that the improvements in nutritional¹ quality of school lunches including increase in the levels of six nutrients² -- calcium³, vitamin A, vitamin C, iron, fiber⁴ and protein.

研究人员发现，学校午餐营养质量的改善包括增加六种营养水平，即钙、维生素A、维生素C、铁，纤维和蛋白质。

The study found the improvements were due mostly to the increases in portion size and variety of fruits and vegetables.

研究发现，改善主要由于增加了水果和蔬菜的份量和种类。

1 nutritional   

adj.营养的，滋养的

参考例句：

• A diet lacking in nutritional value will not keep a person healthy.缺乏营养价值的饮食不能维持人的健康。
• The labels on food products give a lot of information about their nutritional content.食品上的标签提供很多关于营养成分的信息。

2 nutrients   

n.（食品或化学品）营养物，营养品( nutrient的名词复数 )

参考例句：

• a lack of essential nutrients 基本营养的缺乏
• Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》

3 calcium   

n.钙(化学符号Ca)

参考例句：

• We need calcium to make bones.我们需要钙来壮骨。
• Calcium is found most abundantly in milk.奶含钙最丰富。

4 fiber   

n.纤维，纤维质

参考例句：

• The basic structural unit of yarn is the fiber.纤维是纱的基本结构单元。
• The material must be free of fiber clumps.这种材料必须无纤维块。