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

BMI 重和身高比计算的数值，并 “过轻”、“正常”、“过重” 和 “肥胖”等范围定义不同数值。

Around 80 percent come in underweight and need fattening up.

大约80%的企鹅重过轻，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年哪个国家禁止重过轻的模特走秀？ a)色列？b)加拿大？还c)美国？

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

J.C.生时重过轻，这使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”，用于帮助那些重过轻的儿童及病理性重过轻的病人增重。

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

约四分之一的全球重过轻人口分布在印度和孟加拉国。

The doctor told me my baby was underweight.

医生告诉我，我的宝宝重过轻。

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

，一些国家有许多重过轻的人，这意味着这些国家正面临所说的营养问题的“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，在我们大多数人生活的国家里，肥胖比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2013年哪个国家禁止重过轻的模特走秀？ a)色列？b)加拿大？还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.

这些影响在孩子生前就开始了，研究显示，空气污染会导致新生儿重过轻和早产。

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

们表示，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的创始人和总经理杰米·加文讨论一项法国禁止使用重过轻模特的法律。

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重过轻的人数做了相关调查。

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

如果某人重过轻， 则们的重低于健康重。

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

• 重过轻。 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% 的肥胖美国人表示们正在节食， 而超重人群中这一比例为 17%， 重正常或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.

我只想说，从一个过去五年里不断在重过轻和增重之间反复的人的角度来说。