三斜晶胞

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(104) / 评论(0) 分类 VOA2003(下)-环境与健康

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

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

发表于:2019-01-31 / 阅读(50) / 评论(0) 分类 VOA常速英语2008年(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(117) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(163) / 评论(0) 分类 趣味英语

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻
学英语单词
2-methylhexylamine
Abadan
acid color
acid-forming bacteria
adjustment computations
advisory for gale and rain
air leakage test
Alimodian
aluminum magnesium alloy
arachnidium
atmospheric phenomenon
auto purification
balanced tree deletion program
bluegills
bring a storm about sb's ears
capacitor voltage divider
central vector field
check measuring
clickstream
corrugated mixing rolls
corvus splendens insolens
crack cleaning machine
demuxer
descriptor for read-only data segment
ditissimus
dried ginger
drums lids loose
duploes
dynamic microspeaker
embossed leather
extraocular muscle
Fernand Leger
galvanized pipe
genus reithrodontomyss
genus schizosaccharomycess
graduated courses
grid-level
guarinis
gum-ball
gurriers
health-and-safety
health-information
hugger-muggers
insertion element
iron-manganese concretions
ISBS
ISO speed standard
jingzhi
K cells
Keti Bandar
kronberger
laser Q-switching mechanism
Leptopsylla musculi
Luston
magnetizing roasting
mary-lynn
Massif Central
micro environment
mina cloth
mistletoe thrush
mulazim
multistrands
national security agencies
on your terms
ovarial cord
oxyphilus
Paederia L.
passagings
penetrating agent
preferential adsorption
product rationalization
proportionalities
punching row
range line
re-submission
relative standard error
reluctance pick-up
rifampin
runway roughness
sclerospora macrospora
segment unused word
sign flipflop
solar patrol
solutionists
sparch
spin dependence
spoil tip
sportswoman
stewed turtle
submarine canyon
the insurer
three-dimensional continuum
to hit on someone
transient distribution
unwrittenness
virtual machine snapshot
vitropatic
wagsome
wash-deck pump
watch glass size
well-qualifieds
width of vestigial sideband