细胞膜缺陷

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(56) / 评论(0) 分类 初学者听力文摘精选

Rachel Lee: The housing market keeps losing steam. Sales of previously owned homes fell 5. 7% last month according to the National Association of Realtors. If you're looking for a house , the group's

发表于:2018-12-05 / 阅读(39) / 评论(0) 分类 商业报道2006年

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(59) / 评论(0) 分类 国家地理2008年

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. This week, we will tell about an American study of the brain disorder schizophrenia. We tell about cars that use hydrogen as fuel. And,

发表于:2019-01-11 / 阅读(48) / 评论(0) 分类 VOA慢速英语2008(十)月

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after year

发表于:2019-01-22 / 阅读(39) / 评论(0) 分类 自然百科2008年

There are several kinds of odor preventing and odor destroying treatments for textiles. For the most part, they work by killing or inhibiting the bacteria and fungi that cause odors. For example, these socks contain Quaternary Ammonium Compounds, or

发表于:2019-02-23 / 阅读(36) / 评论(0) 分类 英语时差8,16
学英语单词
Abdullah
absolute predictability
adommage
air gun array
alexander-ralston
allanbridge
Andreyevo
assumed median
asymptotic space complexity
basaltic hornblende (oxyhornblende)
basic principles
be dying with sleep
biomethanation
bolts out
bubble sorts
burst-pressure
calf cloth
chrysla
ciliary
color standardization
compound lattice
condigns
correspondent firm
creeping test
crisis theology
cronic croning process
curtain-pole retarder
cypionic acid
dg,dg.
dilution ratio
dorotheanthus bellidiformiss
doubleholding door
Dune-work
echo sounding room
element dispersion
elephant gun
encline
ensobers
field-sequential color TV
fitting-out region
flat sennit
force filed
forming stress
Fries' rearrangement
gas nipple
general strikes
Gestalt, gestalten
group loop
group method of depreciation
hammer water
heavy duty load
homestanding
hot-electron triode
Huttenheim
impious
imposing tax on land occupation
input gap voltage
intelogis
interior check
jacket-cooling system
Krapivnaya
Lao Sing
lateral suctorial cup
long - term development
Longisulf
mean annual rate of interest for intermittent working
medium-scale data utilization station (mdus)
merrymakers
middle crop
Millerand, Alexandre
multimedia file
n.a.c.
nevs
Ogllvie's syndrome
oriented circle
parental ditype (p.d.)
paul klees
performance code
piston can filler
poy-bird
productive workings
prohibition parties
promotional pamphlet
puerperium
pycnotrope
rail layer
real mode
red signal
reduplications
reobjectification
rule language
shen-kui
spermaleges
substrate rigidity
supertransuranic
sympexia
synthetic tobacco
tear something to pieces
thiazolinobutazone
throw money at
trophobionts
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