冻融试验

By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo

发表于:2018-11-27 / 阅读(438) / 评论(0) 分类 VOA2003(下)-发展与科学

Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 你在闲逛超市的冷冻食品区的时候,会看到有冷冻玉米、冷冻豌

发表于:2018-12-28 / 阅读(37) / 评论(0) 分类 初学者听力文摘精选

Why Lettuce Should NOT Be Frozen Stroll through the frozen foods section of the supermarket and youll find frozen corn, peas, and beans. A Moment of Science wonders, why isnt there any frozen lettuce? 图片1 Why Cant I Freeze Lettuce? Freezing is a

发表于:2018-12-31 / 阅读(45) / 评论(0) 分类 英语听力文摘 English Digest

Keep Your Goals in Sight When she looked ahead, Florence Chadwick saw nothing but a solid wall of fog. Her body was numb. She had been swimming for nearly sixteen hours. Already she was the first woman to swim the English Channel in both directions.

发表于:2019-01-02 / 阅读(215) / 评论(0) 分类 幸福是一种态度

Keep Your Goals in Sight 锁定目标 When she looked ahead, Florence Chadwick saw nothing but a solid wall of fog. Her body was numb. She had been swimming for nearly sixteen hours. Already she was the first woman to swim the English Channel in both

发表于:2019-01-08 / 阅读(25) / 评论(0) 分类 阅读空间

Anthrax Outbreak In Russia Thought To Be Result Of Thawing Permafrost STEVE INSKEEP, HOST: Russia is fighting a mysterious outbreak of disease. Dozens of people are hospitalized due to anthrax. Yes, anthrax, the bacterial infection so deadly that cer

发表于:2019-02-13 / 阅读(48) / 评论(0) 分类 2016年NPR美国国家公共电台8月
学英语单词
abnormal discount
algophage
anwulignan
attaching disc
azazel
Bacillus paratyphosus A
balatons
bedeque
beechnuts
beneficially owned share
bicarbonaturia
cable control
cancer stick
caprinus
cetyl ether
chain home beamed
cleuch
computational security
conditional indicator
Connecticuter
consecutive storage
Corylus avellana L.
DAE timer
dance of bacchus (greece)
dental vessel
depolarize
depolymerizer
digital signal microprocessor
dimensional counting rule
dimorpholamine
dry offset press
duple meter
enumeration of labelled trees
ERN1
extra-hard steel
field programmable
fluid flywheel
fragransin
general open policy
grammatological
Gymnadenia orchidis
hafnium fluoride
hafnium plate
Hamburger Hallig
headcanons
humoral theory
hydraulic fill dam
indentification length
input jet
lamanite
lasertripsy
leiter international performance scale-revised
limit of liquidity
log calibration
lower camshaft drive gear
MAPID
Masaprocol
mediumduty
microneutronography
mogridge
myrmidonian
nipkow (rotating) disc
nivation ridge
oetet
open sky policy
opened coil annealing
operator-distal
opercularis arteria
Pedicularis kariensis
phenylbenzyltin dichloride
phymatosorum longissimus
Polyborus plancus
pore wall
pressure-depth meter
propeller axis
radio-frequency transformer
rated load-bearing coefficient for bridge
rated transformation ratio of voltage transformer
Ruffini's corpuscles
sawtooth retrace
second-skin
seijas
self-world
serve operated control
shadow government
side combustion stove
single-axle load
smirkiest
sprinkled steel sheet
steel-cut
suspectious
susy transformations
symbol pair
terminally ill
Thermopsis smithiana
Thóroddsstadhur
trunk tone
unguentum picis pini
unmidwifed
us reference
Weisstannen