音标:[ˌbaɪəˈlɑdʒɪkəl kənˈstrent] ;
生物学限制;生物学限制(因子); 生物学限制因子

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(45) / 评论(0) 分类 VOA2003(上)-健康之旅

The Philippines appears to be seeking a return to stronger economic relations with the United States. Experts say the change may be designed to balance the Philippines increasing dependence on China. The Philippine Department of Foreign Affairs said

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 2017年VOA慢速英语(十)月

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)

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人综合

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(51) / 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
accommodation paddock
active current shaping
agree like cats and dogs
ailulose phosphate pathway
amastias
amener (france)
American eagles
antasphyctic
ARDA (analog recording dynamic analyzer)
arrested-landing
at the expense of
athwarship thruster
automatic plateforming line
be well rid of
bearer treasury
blacktips
boots on the ground
brake magnet
brasilein
Buccos
butterfly curve
capacity of
cardiomelanosis
Catfirth
Cavone
consistency of great numbers
contact burning
contact report
cool shutdown
crystal-ball
current transformer for instrument
deli food
Exposed Pad
family Athyriaceae
furostatrienediol
gadot
gassi
gate type feeder
glyvenol
hyphal peg
insinewed
international bank for reconstruction and development (ibrd)
land consolidation
largifical
Lilium auratum
linear fouling
logical reading system
macrosympatric
magnetic intensifier
mass-membership party
metal carbonyls
Moll microphotometer
motor coupling
moulded product
national retail credit association
non unity
offertories
opificialis tuberculosis
overkeeps
overrefines
page loading station
panallel test
parazoogenetes orcula
Paspalum plicatulum
pervaginal
potassa sulfurata
powers of ten
primer extension
programming quality
pseudo-urea
pump seal
Reader's Digest
Rehn operation
Rickettsia conoril
samuele
second lane
semihexagonal
shoe contact pressure
simultaneous equationss
So Ounga
solid surface structure
source of sediments
spring-loaded scissor gear
ST_language_connecting-words-which-introduce-a-cause-or-reason
steady-state life
stereotype felt
tainted-bloods
therapeutically
thermal sensitivity drift
tinsell
transannular insertion
turbine-type agitator
two disc polisher
ultimate stand
video sender
wakesome
wallahs
well-proportioneds
wormy filter
Yeed
yoke current