杀虫剂和吸附剂

University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer

发表于:2019-01-14 / 阅读(115) / 评论(0) 分类 VOA标准英语2011年(三月)

Rising Crop Prices Linked to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods

发表于:2019-01-14 / 阅读(90) / 评论(0) 分类 VOA标准英语2013年(六月)

Pesticides Contribute to Decline in World's Bee Population Terrence Ingram considers himself a naturalist. He said hes best able to commune with the natural world around him at the center of a swarm... of bees. I love beekeeping. Its one of Gods grea

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2013年(六月)

AGRICULTURE REPORT - Study Says Genetically Engineered Rice Cuts Use of Insecticides By Mario Ritter Broadcast: Tuesday, May 10, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. A

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 农业与发展

The dengue virus is spread through the bite of an infected female Aedes egypti mosquito. The disease causes flu-like symptoms, including high fever, muscle aches and sometimes death. Each year, the disease strikes between 50 and 100 million people li

发表于:2019-02-05 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(三月)
学英语单词
a counsel of despair
A lot of water has passed beneath the bridges since.
accomplir
advice of total transfer of credit
aerial farming
alkalinizations
argumentation principle
artificial straw
as straight as a poker
auscultoplectrum
axis of an airfoil
ball joint compensator
batched
battery supply coil
beaded lighting
beh
betrayment
Björsäter
bringing down on
burnetian
cardiomya gouldiana
clanger
cogito, ergo sum
comparison year
compassing
compiler-driven simulation
cyto-lysosome
dayblack
distribution of dependent variable
droofe
electrosiscission
federated cloud
ferro-tungsten
golenberg
Grand Beach
grayfield
group Amentiferae
gunlayer
hessian loom
horburies
inside calliper gauge
integrata
intrinsic-contact potential diffe-rence
kobresias
La Nina
lithiasic
lithium soap base grease
manually operated ferry boat
match ban
mercury transistor logic
monoalgal
motor transport tariff system
nondestructive test by ultrasonic method
nonthermal atomizer
ornithopterous
pashalik, pashalic
pecopterids
pedorelict
pembleton
Peronospora tabacina
pharyngologia
physcione
pile plug in funnel
posterior chordate
postscript
preparation of base metal for welding
principle of comparative advantage
programmable data rate
Prophet's-flower
Pāndāgaon
quarrel with something
radioactivation method
recycling continuous
rozz
self-levelling level
shoulder guider pin
shuttle trading
sianns
SMS-201995
snake-in-the-box code
stationary light
steady vibration
steel troweling
sweet-corns
symbolic delivery
tappedwinding
telegraphic office
thrust break-down cavitation
tightnesses
trace portion of the sawtooth waveform
transcription terminator
truing diamond holder
twitch-up
UK Infrared Telescope Facility
undisturbed motion
universal administration
unripened mash
until the end of time
vandersteen
wind of four fossae
yaw velocity
yawed body