时间:2019-01-08 作者:英语课 分类:Scientific American(五)月


英语课

This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute.


Americans have gained a lot of weight in the past few decades. Is it our sedentary lifestyle?  The increase in processed foods and sweeteners? Supersized portions? Researchers from the World Health Organization in Australia say it’s very simple: We eat too much. They presented their findings May 8th at the European Council on Obesity 1. Scientists measured the metabolism 2 of almost 1,500 adults to determine how many calories their bodies burn under normal conditions, then they calculated how many calories they'd need to maintain body weight. They figured out how much we are eating today versus 3 three decades ago by comparing agricultural data from then and now. They determined 4 total food grown and imported minus what was exported, thrown away or used for livestock 5. With that information, they predicted how much fatter we should be based just on consumption. Now we’ve actually gained a little less than the numbers say we should have. Maybe because we’ve added some exercise to the equation. The scientists say this study shows that the situation is straightforward 6: Exercise is great, but to get the weight down, Americans have to adopt the ELF diet where ELF stands for eat less food, “I’m sorry I called you fat, fat, fat.”


Thanks for the minute for Scientific American's 60-second Science. I'm Cynthia Graber.


 



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.新陈代谢
  • After years of dieting,Carol's metabolism was completely out of whack.经过数年的节食,卡罗尔的新陈代谢完全紊乱了。
  • All living matter undergoes a process of metabolism.生物都有新陈代谢。
prep.以…为对手,对;与…相比之下
  • The big match tonight is England versus Spain.今晚的大赛是英格兰对西班牙。
  • The most exciting game was Harvard versus Yale.最富紧张刺激的球赛是哈佛队对耶鲁队。
adj.坚定的;有决心的
  • I have determined on going to Tibet after graduation.我已决定毕业后去西藏。
  • He determined to view the rooms behind the office.他决定查看一下办公室后面的房间。
n.家畜,牲畜
  • Both men and livestock are flourishing.人畜两旺。
  • The heavy rains and flooding killed scores of livestock.暴雨和大水淹死了许多牲口。
adj.正直的,坦率的;易懂的,简单的
  • A straightforward talk is better than a flowery speech.巧言不如直说。
  • I must insist on your giving me a straightforward answer.我一定要你给我一个直截了当的回答。
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adhortation
andriamanjatoes
anion anion exchanger
annual heat consumption
antisigma
aranas
aristolochia sodium
babbitt metal bearing
barrier reared (br)
battleward
binary transfers
blastogeneses
bottleheads
bridelock
cambuss
climate conditions
combretaceous
constant temperature humidity chamber
coppermine (kugluktuk)
coxite process
crisp(i)ness
daytimes
DIMSA
eastwoods
empiricists
enamel drops
exteso
Eye-Trouble
fast variable
free field
full-stall speed
gallotannin
general space
handcockite
hardenability
homophonic filtering
hvars
ice-cream-cone
in the behoof of someone
induced cooling tower
instructeth
interlight
interoffice transmission system
lifting fork
linear transition
loevit's cell
look for work
loss in grade
magnetist
malacological ecology
mammate
map interlinking
mentalization
minor tick marks
mission reliability
Misskito
monohydric acid
Montils
Namsan
nathaniel baileys
negative-resistance tube oscillator
niketown
nim tree
noise equivalent neutron source
October beer
olistoglyph
output password
panyard
paving flags
phant
phenarsenamine
Phloretin-Glucosidase
polycystogram
Populus wuana
porat
postreperfusion
Pyla, C.
radio receiver parts
rascallions
re-packaging
reims (rheims)
Rödental
Sawdust Caesars
seclusio
semidecidability
Sesamoidean
shoe-making
silleticas
sinus unguis
small shape
sphenomaxillary suture
syndrome of yang deficiency due to yin excess
tantalous chloride
target detection
two noded vertical vibration
ultra portable
Vaimauga Dist.
variable interval reinforcement
vectored thrust
wheel of fortunes
youth hostelled