细胞毒

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(153) / 评论(0) 分类 创世记

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(184) / 评论(0) 分类 创世记

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(146) / 评论(0) 分类 VOA标准英语2014年(六月)

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(138) / 评论(0) 分类 有声杂志阅读

Lymphocytes - white cells involved in the immune response. B lymphocytes are so called because they mature in bone while T lymphocytes mature in the thymus. Both cells look alike until they recognise

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 医务英语

Covalent bond - a strong bond between atoms formed by sharing outer electrons. When an atom has 8 outer electrons it is stable. Those which naturally have 8, like neon and argon gasses are quite unrea

发表于:2019-01-03 / 阅读(148) / 评论(0) 分类 医务英语

Nerve growth factor- a cytokine that promotes the growth and repair of sensory nerves and maintenance of sympathetic nerves. Neural crest cells - cells derived from the ectoderm layer in the embryo. T

发表于:2019-01-03 / 阅读(100) / 评论(0) 分类 医务英语

An ant once leaned too far over the edge of a fountain and fell in-to the water.A dove was watching from a tree nearby.She saw that the ant could not swim so she plucked off a leaf and threw it down to him.He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(191) / 评论(0) 分类 趣味英语

One cold,frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather.A grasshopper,half dead with cold and hunger,came up to one of the ants.Please give me a

发表于:2019-01-26 / 阅读(229) / 评论(0) 分类 趣味英语

An ant and a fly were contending heatedly who was of greater importance.The fly was the first to begin:Can you possibly compare with my endowments?When a sacrifice is made,I am the first to taste the entrails that belong to the Gods.I pass

发表于:2019-02-06 / 阅读(225) / 评论(0) 分类 趣味英语

图片1 图片2

发表于:2019-03-02 / 阅读(173) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3

发表于:2019-03-02 / 阅读(173) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3 图片4 图片5

发表于:2019-03-02 / 阅读(178) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3 图片4 图片5

发表于:2019-03-02 / 阅读(158) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(155) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(150) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(174) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(177) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(155) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-03-02 / 阅读(199) / 评论(0) 分类 加州英语分级G1
学英语单词
a near thing
Abelian category
abels summation formula
actual cost payment
alarm chemical communication
Albigensians
answer only modem
asset value per share
bait order
balance track
bed-and-breakfasting
Bernedo
Betula glandulosa
blast loading
boundary homomorphism
boxcar spectrum
brachial cavity(mantle cavity)
bread-and-butter notes
Bull, John
Camassia quamash
capsulociliary
cather
Charles'law
Chinese bandoline wood
clar-
complete machine
deflection voltage
DeMoivre, Abraham
dispersion magnetic
diurne
dronkle
duplex measurement
edward ivs
electro-fluid-dynamics
endocarditis chordalis
everthings
exposure of median nerve
family kasuwonidaes
feasibility studies
film take up chamber
fore-body waterlines
four poster bed
frequency automatic adjustment
fuel pump rocker arm link
gain the heart of someone
gammel
Get out of one's Hair
getter material
hywe
I, i
incyclofusion
jerseys
job aid
Jujuboside
Kirchensittenbach
loading header
lobe parachute
matted finish
metal form
mirorder
multivegetable
needle-electrode
newly-emerging
paulite
peprotech
phalacroses
pick lacing
pinion and rack
point sensing
polyreaction
precursor gas
primary stress field
psychopathic hospital
PX64
reperformed
ribotypings
rubber cup
ruefully
sautest
scumheads
semiadditive method
sherlock
shorespan
ski tows
skipfer
Sphaerocarpaceae
splay-legged
stentorophonic
subclavate
synchronized i/o completion
temperature indicating strips
three way bit
toxoplasmacidal
trigonal pyramid of the second order
trophic pyramid
U-B colour index
ulcerogenic
ultra high temperature short time sterilization
untroublesome
Verdun-sur-le-Doubs
vision signal detector
zero conditio