科学美国人60秒 SSS 2014-03-10
时间:2019-01-20 作者:英语课 分类:2014年Scientific American(三)月
英语课
This is Scientific American Sixty Senconds Science. I'm Cenphy Grebb. This alos take a minute.
Diets all around the world have becoming increasing similar, that's not a good news for other human help or for corpal according a study in the proceedings 1 of the national academy of sciences.
Scientists analyse diet trends of the past 50 years. Of all, people are eating more, and are getting more calories from meat, oil, and grains. But the diversity have gone down.
Wheat, rice and corn are gotten even more important, so beings in Sin Flower in Pomaoile have also become a larger plairs.
Meanwhile, crop such as sow, game, ray, and keshawa have dropped in relative importants.
Otheres say that the trend towards the western diet contributes to obesity 2 and heart disease as well as diminish diversity in all and got microbe which is helpful for the health.
Perhaps equally important. The relines on the small group of foods puts the crop themselves at reprents disease or climate change.
Study author Andi Java says a more diverse global foods system is critical. called this is the best way not only to combat hunger, malnutrition 3 and overnutrition, but also to protect global food suplies aginst the impact of global climate change.
Thanks for the minutes for Scitific American Sixty Senconds Science. I'm Cenphy Grebb.
n.进程,过程,议程;诉讼(程序);公报
- He was released on bail pending committal proceedings. 他交保获释正在候审。
- to initiate legal proceedings against sb 对某人提起诉讼
n.肥胖,肥大
- One effect of overeating may be obesity.吃得过多能导致肥胖。
- Sugar and fat can more easily lead to obesity than some other foods.糖和脂肪比其他食物更容易导致肥胖。
n.营养不良
- In Africa, there are a lot of children suffering from severe malnutrition.在非洲有大批严重营养不良的孩子。
- It is a classic case of malnutrition. 这是营养不良的典型病例。