生物富集

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

发表于:2018-12-08 / 阅读(46) / 评论(0) 分类 VOA2003(上)-健康之旅

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

发表于:2018-12-11 / 阅读(57) / 评论(0) 分类 万花筒2006年

Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is

发表于:2019-01-02 / 阅读(57) / 评论(0) 分类 双语有声阅读

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

发表于:2019-01-12 / 阅读(104) / 评论(0) 分类 2006年VOA标准英语(十一月)

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

发表于:2019-01-30 / 阅读(52) / 评论(0) 分类 农业与发展

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

发表于:2019-02-12 / 阅读(57) / 评论(0) 分类 VOA标准英语2011年(十二月)
学英语单词
'En Karmel
a partner
acme screw
acoustical magnetic mine
air stripping
all-hood
anti-welfares
be-held
bioengineer
bramble
Chlamdothrix
Collision Caused by Fault of One Party
common ring
Connaux
contact insecticide
continuous decantation
demand over supply
device unit
dictaminine
disc oil filter
disease of metabolism
dollar policy
downstream area
dual-slope
early-bound
esourcing
eurybaric
extruded aluminum
family Amphiumidae
fault trellis drainage pattern
filtra-tion
firebrands
get nowhere
globulinemia
glycerites
granger causality test with error correlation model (ecm)
half-wave diode rectifier
harborage
harthill
heterojunction laser
hill-sachs
hoevelers
inequal twins
koronit
labour reform
leg formula
longitudinal flow reactor
luvigenin
malted milk extract
manned space laboratory
merit pay system (mps)
movable band
mullahcracies
multifocal rhythm
myriophyllums
obtaining a gurantor and pending trial
paraaortic body
parallel dike
penalty kill
peter goldmarks
phrase table
pinkies
proved ore
punch card machine
punu
quina-quina
rack operated jack
reactance amplifier
recessus lateralis ventriculi quarti
refilter
repeated dose
scope-cabinet
sell-by dates
showboated
sialogogues
slimy fish
Sol IX
start a book on something
steeplechaser
stop someone's the wind of someone
superficial spreading melanoma
superpositional
Sycamine tree
Tateshina-yama
tishomingo
titratable acidity
topological monopole
travelling winch
trinitrotriazidobenzene
two way layout
Tyroderm
ulcerogangrenous
unmagical
variable in decision situation
variolovaccinia
vinced
weather-quarter
were you born in a barn?
white base
win-lose
working capital provided by operation