He bought extra food in anticipation of more people coming than he'd invited.
他预料来的客人会比邀请的多，就多买了食物。
One common eating mistake among runners is that they overcompensate for the calories burned by exercise with extra calories from more food and beverages.
一个在跑步者中常见的饮食错误是他们用更多的食物和饮料的中额外卡路里来过度补偿锻炼消耗掉的卡路里。
We call them backpack snack packs, and started distributing them this year to give extra food to children because the situation is getting more difficult.
我们管它们叫“背包里的点心袋”（backpack snack packs），由于形势越来越艰难，我们从今年起开始给孩子们发放这些额外的食物”。
The Food and Agriculture Organisation reckons that, without changes in efficiency, the world will need as much as 60% more water for agriculture to feed those 2 billion extra mouths.
世界粮农组织认为，如果用水效率不加以改观，世界对农业的水需求要增加60%，才足够喂养多出的20亿张嘴巴。
Extra-soft, quilted and multi-ply toilet roll made from virgin forest causes more damage than gas-guzzlers, fast food or McMansions, say campaigners.
用原木加工的超软，带软垫的，且多层的卫生纸比那些油高耗油汽车，快餐或者美式大房子造成的破坏还要大。
You may think, salt is just a simple cooking element we shake on our food for a little extra taste. But salt is much more than that.
你可能会想，盐只是我们洒在食物上增加口味的一种简单的烹饪元素。但是盐的作用远不止这些。
As a result, you can eat more food without gaining fat because your extra muscle will burn off extra calories.
因此你可以吃更多，同时也不增加脂肪，因为你所增加的肌肉能消耗掉额外的卡路里。
Well, did you know that in several laboratory experiments scrub jays, relatives of the blue jay, hid their extra food more cautiously when other jays were around?
对了，你知道吗？在进行的一些实验中我们发现当有其他鸟在的时候，蜂鸟——蓝鸟的近亲，会将他们剩余的食物非常小心的藏起来。
However, if we take in more food than we need, we store the extra as fat; if we take in too little, we burn up stored fat and start to lose weight.
然而，如果我们摄入过多的食物，就会转化成脂肪储存起来，如果摄入太少，则会燃烧储存的脂肪，并开始减肥。
However, if we take in more food than we need, we store the extra as fat; if we take in too little, we burn up stored fat and start to lose weight.
然而，如果我们摄入过多的食物，就会转化成脂肪储存起来，如果摄入太少，则会燃烧储存的脂肪，并开始减肥。
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