According to a study, more than half the teenage girls in the USA think they should be on a diet and almost one in five teenage boys are worried about their bodies and their weight.

根据一项研究，在美国，超过一半的少女认为她们应该节食，几乎五分之一的少年男孩担心自己的身体和体重。

We know she be on a diet.

我们知道她将节食。

Therefore, to be on a diet is preferable.

因此，节食是可取的。

I was invited to be on a diet one minute before.

一分钟以前我被邀参加一个饭局。

If you don't mind, could you tell me when you started to be on a diet?

假如你不介意的话，请告诉我你是什么时候开始节食的。

He took/ followed the doctor's advice and began to carry out the plan to be on a diet.

（高三英语）1。 他采纳医生的建议，开始实施节食计划。

"If I knew I had to be on a diet seven days a week, I'd go nuts, " says Michelle Munoz, a Chicago realtor, "but five days I can handle.

“如果我知道一周七天都得节食，一定会疯掉的，”一位在芝加哥从事房地产中介的米雪儿‧慕诺斯如是说，她接着又说：“但节食五天的话，我就还可以忍受。”

Many people don't like using this word, when referring to their eating habits, because they feel that it is humiliating to be on a diet.

当提到饮食习惯时，许多人很不喜欢这个词，因为他们认为谈论饮食方面是很是羞愧的。

The expert announces drop we: Take medicine reducing weight to must be united in wedlock be on a diet, motion just can achieve first-rate result reducing weight.

专家告戒我们：服用减肥药必须结合节食、运动方可达到最佳的减肥效果。

So, the expert thinks, protein is the important nutrition composition with indispensable human body, although be on a diet, decrease what protein also should not decrease in heavy process to absorb.

所以，专家认为，蛋白质是人体不可缺少的重要营养成分，即使在节食减重的过程中也不应减少蛋白质的摄入。

This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.

这进而对它们的饮食产生了重大影响，促使科学家们推测，学习特定种群狩猎方法的能力可能推动了这些动物的基因发育。

Parents should be aware of the fact that children, who are raised on a diet of soap operas and online games, seldom, if ever participate in a variety of activities.

父母应该意识到这样一个事实：孩子们如果从小就看肥皂剧，玩网络游戏，很少会参加各种各样的活动。

You must be thinking "he must be following a strict diet and spending tons of time on the treadmill" that can't be further from the truth.

你必须认为“他一定是按照严格的饮食计划并且花了大量时间在跑步机上”的说法是不靠谱的。

Do put yourself on a diet, otherwise you'll be too fat.

你一定要节食，要不你就太胖了。

However, he added, "a healthy diet with adequate B12 may still be useful in reducing risk despite the failure of initial clinical trials to show a benefit on cognition."

然而，他补充说：“含适量的维他命b的健康饮食有助于减低风险，尽管临床试验还未证明有助于认知能力。”

Children not suffering from such a grave disease could be fed with half that amount - not on a diet like ours, but on plain, basic, life-sustaining food.

没有遭到那种严重疾病的孩子可以用那个数目的半数糊口——不是们那样的食物，只是一般的、基本的、维持生命的食物。

A diet heavy on processed and fast foods may be low in the vitamins and minerals important for health.

偏重加工食品和快餐食品的饮食可能缺乏对健康十分重要的维他命和矿物质。

Saving the planet one plateful at a time does not mean cutting back on meat, according to new research: the trick may be to switch our diet to insects and other creepy-crawlies.

每次节省一盘菜用来拯救地球并不是意味着削减肉食，根据新的调查：窍门可能是把我们的饮食调整成吃昆虫和其它瓢虫。

While most men get enough iron in their diet, those who are on a strict diet and are sticking mostly to chicken, egg whites and fish as sources of protein may be running a bit low.

虽然大多数人在饮食中已获得足够的铁质，严格遵循的饮食习惯，其他食物主要是鸡，蛋清和鱼类也可作为蛋白质来源但是效率有点低。

While women should see their gynaecologist if they're worried about a smell, it is supposed to be a natural smell and it can depend on what diet they're eating too.

女性如果担心她们的气味，就应该去看妇科医生。通常那里是有一种自然的味道，而什么样的气味则取决于个人的饮食。

While a healthy diet is generally assumed to be important for good school performance, there has actually been little research on this topic, Veugelers and his colleagues note.

维格勒及其同事指出，大家都想当然地认为健康的饮食对于孩子的学习成绩很重要，但实际上有关这一问题的研究却很少。

It's always a practical idea to keep a supply of non-perishable food on hand that can be rotated into your diet and replenished on a regular basis.

作为一个很实用的主意，应经常准备一些不易腐坏的食品以便随时食用。并可将其加入日常的饮食之中，并定期补充储备。

Hence, if most of the world opted for a vegetarian diet, it would be significantly less taxing on our environment.

因此，如果世界上大部分人选择素食主义，环境上的压力明显会减少。

I find this view to be highly constrained and, indeed, illogical, especially if one assumes the strong possibility that humans survived on a plant-based diet in our evolutionary past.

我认为这些结论都很勉强，实际上都缺乏逻辑。只要一个人假设我们的祖先采用植物性食品亦能在过去的进化中生存下来的可能性，都能认识到这一点。