un. 平面群

Is There A Better Way to Track Passenger Planes? 有更好的追踪客机的方法吗? Airline industry leaders and regulators want to improve airplane safety. They want companies to develop better, more dependable devices that can follow planes as t

发表于:2018-12-16 / 阅读(40) / 评论(0) 分类 2015年VOA慢速英语(一)月

1. What time does the plane depart? A. 6:00 AM B. 7:30 AM C. 9:00 AM 2. How will the group get to the hotel from the airport? A. They will take taxis. B. They will ride the subway. C. They will be going by bus. 3. About what time does the hotel resta

发表于:2018-12-28 / 阅读(23) / 评论(0) 分类 听英文对话做选择

By Lisa Schlein Geneva 02 January 2008 The Geneva-based Aircraft Crashes Record Office says 2007 was one of the safest years in the past half century in which to fly. The group says 965 people died in 136 airplane crashes last year. The private group

发表于:2019-01-07 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(一月)

Hi! Happy new year! We hope you had a wonderful break. My name is Carl Azuz, and CNN Student News is kicking off 2010 right here, right now. First up, U.S. government closes its embassy in the Middle Eastern country of Yemen, and that is because of s

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 CNN2010年(一)月

1. Iraqi authorities are warning two kidnapped security company employees may still be in danger despite reports indicating their release earlier. Four Americans and an Austrian were taken hostage Thu

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 美联社新闻一分钟2006

SCIENCE IN THE NEWS - Group Announces New Effort to Solve the Mystery of Amelia Earhart's Final Flight MARIO RITTER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Mario Ritter. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2012年VOA慢速英语(四)月
学英语单词
4-hydroxy-19-nortestosterone
aggregate length
air meteorological observation satellite
Alikovo
angolamyicn
antirightists
aplins
Aponogetonaceae
arc source of electron
asynchronous query
atactic abasia
Atlas es Sarhîr
atractomorpha sinensis
Ban Doun
be qualified to do
begat
bi-unity
blade mixer
blue-balling
Bourgneuf
capital accounts
cattail millets
centralized control room of engine room
chain matrices
chestnut ridge
chromatometry
comforters
coniosis
contoured roll
contribute to a magazine
Corydalis curviflora
credit insurance
cymatium nicobaricum
depository receipt procedures
disease-surveillance
dissolved free amino acid
eat sb's toads
endometrioma of borderline malignancy
extragastrointestinal
face it
feevee
file, register
furnace rated power factor
geddingtons
hajeen
illuminated track diagram
induced outer measure
insectivore
interferometer with coherence background
International Union of Microbiological Societies
lagrange finite element
laminae perpendicularis
large conical gear
large source
legall
Lily Savage
lipoid granulomatoses
loudspeaker monitor
marine survey positioning
mark sth down
Marsh, Reginald
matching triplet
milleria formosana contradicta
miscible liquid
momentaneously
multicylinder turbine
natural childbirths
newgarden
Northern Sporades
OfficeVision
on the point of
orbital flight
overwresting
oviducal pregnancy
particular conception of ideology
period of town economy
physical statistics
plectorhinchus gibbosus
polygon lathe
power politicss
price regulation
principal value of integral
pulsed gravity wave
Rigidoporus
run time administration routine
sandblindness
scrub rake
security status
septal cartilage of nose
sporophytic generation
star tulips
stepwisetitration
sudden phase anomaly
synthetic neat's foot oil
table adjustment
technoplegic
Vassy
versionists
vertical text orientation
Vimeiro
web of fiber
Zend