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What Causes Altitude Sickness? Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty

发表于:2018-12-05 / 阅读(121) / 评论(0) 分类 英语听力文摘 English Digest

Anyone who has vacationed in the higher elevations of Colorado, such as Vail and Estes Park, will tell you altitude sickness can be a real problem. Loss of appetite, nausea, vomiting, weakness, dizziness, and difficulty sleeping can plague those visi

发表于:2018-12-18 / 阅读(120) / 评论(0) 分类 2018年NPR美国国家公共电台2月

A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm or die. So their tails and heat-shedding ears shrunk, and they grew thick coats of oily fur. But

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 60秒科学

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 医务英语

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(九)月

Amoment of crime scene investigation Ya?l: Hi Don, what are you... Don: Shh! I'm watching my favorite TV police drama: Crime Lab! Y: Oh, cool. Hey, what's that guy doing? D: Y'know Ya?l, you do have the right to remain silent... Y: Why is he spraying

发表于:2019-02-15 / 阅读(127) / 评论(0) 分类 英语时差8,16

The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin

发表于:2019-03-06 / 阅读(240) / 评论(0) 分类 英语时差8,16
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accommodation and food service activities - isic
acer rubrums
arceate
Barany's sign
Bargain-purchase-price option
blow and vent system
Bortala
Bouvet Island
Busobuso
cellular content
chronic progressive acrocyanosis
classes of pollution
coppen
cyclical swing
dehydroretinal
del-operator
dietetic beverage
dwarf exotic species
EHP
eliana
exeception rate
family sepiidaes
fire distribution
flip-flop mechanism
flood-crest stage
foreign manufacture
free cantilever segmental concreting with suspended form-work
gamibasin
gang-plank
garage wine
general technical requirements
googlable
graphic science
hallan
heat-eliminating medium
hyalotrachyte
ill turn
imperfect consonant interval
inspectional
jet type dust collector
Join the club
Kaptenskog
Karaism
Krete
leading lady
license payment
liquid penetrant examination
m-phthalic acid
mactations
main fibers
man in the middle
metastructure
Mickleton
Mitsinjo
multibrand policy
musculi triceps surae
Nabnasset
nummen
off-location
ore wagon
oxidative breakdown product
Oxytropis globiflora
paraconiin
passive negativism
pedrails
pericardia
periphery blasting
petroleum locomotive
polyphalange
pulvis gummosus
reaudit
Richland Creek
sara teasdales
scutellation
sell us
sidereal hours
snipsnapsnorum
sobemoviral
space temperature variation
spring knockout
spring-form
statistical data analysis
subphylum cephalochordatas
supraspiracular line
sustainable use
swear white is white
task equivalence
taylerson
tchebychev's inequality
timber-faceds
trilateral crosssection
Triphysaria chinensis
Two-and-a-half International
two-to-one
two-unit system
unit-step
vile practice of bribery
vostro deposit
walk stick
woody plant
Zemlya Vil'cheka, Ostrov
zui