BMI is a measure of weight relative to height, with different ratios falling into " underweight, " " normal weight, " " overweight, " and " obese" ranges.

BMI 是以体重身高比计算出的，并以 “过轻”、“正常”、“过重” “肥胖”等范围定义不同。

Around 80 percent come in underweight and need fattening up.

大约80%的企鹅体重过轻，需要增肥。

OK — well, here goes. Which country banned the use of underweight models in 2013? Was it a) Israel? b) Canada? or c) the US?

好。问题来了。2013年哪个国家禁止体重过轻的模特走秀？是 a)以色列？b)加拿大？还是c)美国？

J.C.'s low birth weight placed him among the very smallest of premature babies.

J.C.出生时体重过轻，这使他进入最小的早产儿之列。

Fasting might not suit those who are underweight or with a long-term medical condition.

禁食可能不适那些体重过轻或患有长期疾病的人。

Dr. Jason Fung points out here that as early as 1921 and in the 1930s, insulin was used specifically as a " fattening agent" to help chronically underweight children and pathologically underweight patients gain weight.

Jason Fung 医生在此指出早在 1921 年及上世纪 30 年代，胰岛素便被作为一种“增肥剂”，用于帮助那些体重过轻的儿童以及病理性体重过轻的病人增重。

About a fourth of the world's underweight people live in India and Bangladesh.

约四分之一的全球体重过轻人口分布在印加拉国。

The doctor told me my baby was underweight.

医生告诉我，我的宝宝体重过轻。

He noted that some countries have many underweight people, meaning the nations are facing what he called a " double burden" of nutrition problems.

他指出，一些国家有许多体重过轻的人，这意味着这些国家正面临他所说的营养问题的“双重负担”。

In fact, more of us now live in countries where obesity is a greater risk to our health than being underweight.

事实上，在我们大多人生活的国家里，肥胖比体重过轻对健康的危害更大。

OK. Well, I asked you which country banned the use of underweight models in 2013? Was it a) Israel b) Canada or c) the US?

好的。我的问题是2013年哪个国家禁止体重过轻的模特走秀？是 a)以色列？b)加拿大？还是c)美国？

Oh, actually, you know what, I got trained in scuba diving in Thailand in Ko Tao.

哦，实际上，你知道，我曾经在泰国龟岛参加过轻潜水的训练。

The impacts begin before birth, with studies linking pollution to low birth weight and premature birth.

这些影响在孩子出生前就开始了，研究显示，空气污染会导致新生儿体重过轻早产。

They said underweight levels have dropped from 14 percent to 9 percent among men, and from 15 percent to 10 percent among women.

他们表示，体重过轻的男性已经从14%下降到9%，女性已从15%下降至10%。

OK. Well, let's listen to Jamie Gavin, founder and managing director of media agency inPress, talking about a new French law being discussed, preventing the use of underweight models.

对。让我们听一听传媒公司inPress的创始人总经理杰米·加文讨论一项法国禁止使用体重过轻模特的法律。

The researchers also studied the number of people who are said to be underweight in different countries.

研究人员还对不同国家体重过轻的人做了相关调查。

If someone is underweight, they are less than the healthy weight.

如果某人体重过轻， 则他们的体重低于健康体重。

Weighing too little. underweight. Beneath the surface of the earth. underground.

• 体重过轻。 体重不足。 • 地表之下。 地下。

The report found 23% of Americans who are obese said they were on diets, compared with 17% of overweight people and 8% of people who were normal weight or underweight.

该报告发现， 23% 的肥胖美国人表示他们正在节食， 而超重人群中这一比例为 17%， 体重正常或体重过轻的人群中这一比例为 8%。

I'm just saying from a person who for the last five years would switch from losing too much weight to putting on more weight to losing too much.

我只是想说，从一个过去五年里不断在体重过轻增重之间反复的人的角来说。