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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(99) / 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(98) / 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(138) / 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(116) / 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(119) / 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(119) / 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(101) / 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(222) / 评论(0) 分类 英语时差8,16
学英语单词
adosterol
aircraft construction
ammonium tungstate
anisometropic asthenopia
anode potential
anthracene crystal scintillation counter
bar type
Barduli
beam rider type
becket block
benzylhydrazine
binary intermental representation
blacks har.
blue jessamines
Bushwoman
catalyzed chemisorption
cell membrane
coalhole
coalmie
continuous strip photography
cookpot
cover notes
crew cab
crosshead pon
desired conditions
Dogharun
dragi
drill pipe slip
earthness
euphotic layer
evolutionary homeostasis
exhaust point
filing data
fingerprint edema
Fittig's synthesis
foothook
frassetto
fur fly
good registration
grand nationals
gray-As
harvest-lice
Haute-Garonne
homeish
idenfifcation
idle jack
investigate at first hand
ionization device
Joan of Arc, Saint
Langi
less-secure
line group
Llanarmon
manuscript policy
mass stroage dump & verify programme
material function
metastrongyloses
mid-afternoon
misprisement
mistletoed
motor nervous system
Mékouma
nekropolis
nuoc mam
octahedritc
onas
oxidation-induced defect
paving-brick clay
Phyllobius brevitarsis
plate alignment
police in plain clothes
process limit
radio-frequency quadrupole linac
rekindles
reliability deviation
Rhizomyidae
rolling hatch cover
rural school
safety check
self-parody
SGML - Standard Generalized Markup Language
snapshotting
Spatium perinei superficiale
starfield
sump type fuel tank
swirled
take off the embargo on
teletype channel
textured yarn
thank ... for
these two days
tienchuanensis
time of crime
tip node
universitarian
unpieces
unreconciled
utcs
walking vehicle
woulde
wrong burst probability