时间:2018-12-24 作者:英语课 分类:Scientific American(六)月


英语课

This is Scientific American's 60-Second Science. I’m Steve Mirskey. Got a minute?




That morning coffee is just the thing to get the brain in gear and the body moving. But it turns out that just the aroma 1 of coffee also gets some of our genes 2 up and at them. That's according to research in the June 25th issue of the Journal of Agricultural and Food Chemistry. The authors report that a sniff 3 of coffee turns on several genes in the brain in ways that help diminish the impact of sleep deprivation 4, in rats at least. Rats that were stressed by lack of sleep were exposed to the smell of coffee. 17 different genes got activated 5 in their brains and 13 of them produce proteins known to protect nerve cells from the damaging effects of stress. While there have been numerous studies analyzing 6 the health impact of the ingredients ingested when drinking coffee. The researchers say that this is the first study to examine the effects of coffee's aroma. So maybe you don't have to shell out that 4 dollars for the Latte, just walk by the counter,"smell the honest coffee smell, ahhh, smell it".




Thanks for the minute for Scientific American 60-Second Science. I’m Steve Mirskey.



1 aroma
n.香气,芬芳,芳香
  • The whole house was filled with the aroma of coffee.满屋子都是咖啡的香味。
  • The air was heavy with the aroma of the paddy fields.稻花飘香。
2 genes
n.基因( gene的名词复数 )
  • You have good genes from your parents, so you should live a long time. 你从父母那儿获得优良的基因,所以能够活得很长。 来自《简明英汉词典》
  • Differences will help to reveal the functions of the genes. 它们间的差异将会帮助我们揭开基因多种功能。 来自英汉非文学 - 生命科学 - 生物技术的世纪
3 sniff
vi.嗅…味道;抽鼻涕;对嗤之以鼻,蔑视
  • The police used dogs to sniff out the criminals in their hiding - place.警察使用警犬查出了罪犯的藏身地点。
  • When Munchie meets a dog on the beach, they sniff each other for a while.当麦奇在海滩上碰到另一条狗的时候,他们会彼此嗅一会儿。
4 deprivation
n.匮乏;丧失;夺去,贫困
  • Many studies make it clear that sleep deprivation is dangerous.多实验都证实了睡眠被剥夺是危险的。
  • Missing the holiday was a great deprivation.错过假日是极大的损失。
5 activated
v.分析;分析( analyze的现在分词 );分解;解释;对…进行心理分析n.分析
  • Analyzing the date of some socialist countries presents even greater problem s. 分析某些社会主义国家的统计数据,暴露出的问题甚至更大。 来自辞典例句
  • He undoubtedly was not far off the mark in analyzing its predictions. 当然,他对其预测所作的分析倒也八九不离十。 来自辞典例句
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学英语单词
air inlet valve lever
ammonia absorption machine
auto-circuit breaker
auto-suggestion
Bacillus aquatilis
balanced type floating dock
beautifications
Bezaha
Bonassola
bradybolism
branding mark
c-grades
campaign hats
cation bed demineralizer
cell-mediated hypersensitivity
cepharanthine
Chemosympathectomy
chidrens
chivenors
chronic alcoholic
clock-house
continuous reinforced concrete pavement
Cotagaita
crown tile
cubbins
dam type lip ladle
digital integrating circuit
dozenths
dust-free workshop
dynamic action between wheel and rail
earlier on
electromagnetic compatibility and interference
enterwrought
excessive cultivation
facelessly
felidu atoll
fine droplet
fine fraction
fluke worm
focm
forward roll
free verses
fruit juice filter
gas-liquid system
georgias
hiker
ilexpubesceus
inhalable
initial rubber
IS (information separator)
JPT
KC2H3O2
kerosene heaters
Kneeton
Kutenholz
leadless piezoelectric ceramics
lock-rotor frequency
machined
mazursky
modified staircase wave
mopsical
my humble abode
nesh
Odontaspididae
Park equation
procedure error
pumpable
purple velvet plant
quick-response transducer
reheader
resistance strain gauges
restraints on financial budgets
rhopalosiphonius deutzifoliae
right of independence and self-determination
satellite connection
satellite operating lifetime
season of emergence
send ... on
sensitometer
severe gale
severe looks
sexagesimal measure of angle
shag someone
shell-toe
Shirouma-dake
skin-divings
Slide Mountain
sludge digestion compartment
snakelet
socioreligious
text-editing system
thermal randomness
thumb switch
travelling canvas apron
trial volunteer
Trichism
ultra-high-power
ultrasecure laboratory
unexaggerable
washing tray
zatz