a portion of food的意思|示意

We get a fairly large portion of calories from fast food and snacks.

我们从快餐和零食中摄取相当大部分的卡路里。

They are. But the fact is that food now makes up a smaller portion of household expenditure than ever before.

然而实际情况是，食品占家庭支出的比率比从前任何时候都少。

When the zookeepers bring them food, the gorillas run for their portion, which on this day happened to be a big bundle of carrots.

当动物管理员把食物拿来时，猩猩们就会奔向自己的那一份。碰巧这一天的食物是一大捆胡萝卜。

Eating a double portion of any of these healthy meals doesn't double your healthy eating score: instead, it can make it almost as difficult to balance your diet as greasy fast food.

从任何的健康餐中吃多一倍的蛋白质并不会比你健康地食用多一倍地被储存，相反地，它会像油腻的快餐食品一样更难地去平衡你的饮食。

A Cornell University study found that when a fixed portion of food was eaten from a large plate, diners felt they had been give a smaller than average portion, so ate more.

康奈尔大学的一项研究发现，同样份量的食物在大一号的盘子会误导用餐者，让他们感觉食物份量减少了，结果就吃得更多。

Relief managers should take this into account and provide only a portion of their food requirements.

救济管理者应考虑到这一点，并只提供部分食物的要求。