切向彗形像差

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Not too long ago, scientists had to hoof it to the library to review the literature. And they had to flip through a card catalog to find that dusty old v

发表于:2018-12-24 / 阅读(29) / 评论(0) 分类 Scientific American(七)月

By Robert Berger Jerusalem 14 January 2006 An unidentified woman looks out from a window at the Hadassah hospital where ailing Israeli Prime Minister Ariel Sharon is being treated in Jerusalem Israeli

发表于:2019-01-30 / 阅读(110) / 评论(0) 分类 2006年VOA标准英语(一月)

By Robert Berger Jerusalem 13 January 2006 Ariel Sharon Israeli Prime Minister Ariel Sharon remains in critical but stable condition at a Jerusalem hospital. Over a week after Mr. Sharon's massive str

发表于:2019-02-03 / 阅读(121) / 评论(0) 分类 2006年VOA标准英语(一月)

俗话说:舒服不如倒着。在美美大餐一顿后,不由得会感到倦意袭来,很想倒下去舒服地睡一觉。这就叫作food coma(饭气攻心). Food coma refers to the feeling of listlessness, bordering on sleep, that one feels

发表于:2019-02-04 / 阅读(106) / 评论(0) 分类 实用英语

THE HAGUE, Nov. 19 (Xinhua) -- Dutch Prince Friso, who has been in a coma since February this year, has shown occasional signs of minimal consciousness, the Netherlands Government Information Service RVD reported on Monday. The RVD emphasized that th

发表于:2019-02-08 / 阅读(38) / 评论(0) 分类 英语新闻

克里斯汀一起床就片刻不离地守着安娜,对她说话,给她唱歌,为她祈祷,也为她哭泣。圣诞前夜到了,克里斯汀用小灯和一棵迷你圣诞树装饰安娜的病房。她打开收音机,调到一个正在播放圣诞颂歌

发表于:2019-03-02 / 阅读(63) / 评论(0) 分类 英语美文
学英语单词
adjustable multiple spindle
aolan
apwa
Aradeo
audio-frequency choke
beakerfuls
binominated
biofarm
Brodie's knee
burner grid
camphoic acid
check out
cockeye
contingent duty
cottonwood tree
court of assizes
crack wise
cystic corpora lutea
debuses
Decca period diagram
deep short
dekel
drop-proof
dry sheath rot
eigendistribution
el-reedy
European mink
floor clock
for conscience
formularisation
funds for foreign exhcange settlement
gambol
Garden Gate
gene linkage map
heris
hexachloropalladates
hive honey
hypercaffeinated
insulated gate field effect transistor
karl wernickes
keckite
kidney transplantation
lap microphone
leather-cloth
linear inverse model
mark's
melica onoei franch. et sav.
multigroup equation
multiplicative system
murtads
Net View
network planning technique
nevoid cyst
Norroys
oculomotor nucleus
official selection
Omega segment synchronization
orchidotherapy
overprimes
oxazolidinone
Paech'ǒn
papyraceous plate
parabasal body
pensionnat
petrolizations
Polygonum honanense
pulse noise generator
Qormi
railway sennit
rake in something
rare earth minerals
rated average element time
rating systems
Rhodomela confervoides
Rijkevorsel
rose beetle
row address strobe
running subscript
satellite data
self-fed
sense of contact force
shaping filter
sordamente
square law of flow resistance
stator-feed-type poly-phase shunt motor
strand-anneal
superations
swansborough
Synagrops bellus
T. J.
tachais
tell story
thymolytic
trace of linear transformation
turbine mechanical efficiency
underfongs
washingtonia filifera
waybill of lading
willhite
working adit
wormalds
yatar