木材蛀虫(如粉蠹虫等)

This is the VOA Special English Agriculture Report. A beetle invasion in the United States has killed at least twenty million ash trees. The invasion of the emerald ash borer was first discovered near Detroit, Michigan, in two thousand two. Experts b

发表于:2019-01-11 / 阅读(91) / 评论(0) 分类 VOA慢速英语2007年(二)月

Wasp Recruited to Fight Invasive Beetle 美用黄蜂对抗甲虫入侵 Scientists are pitting insects against insects in a battle to control an invasive species. U.S. Department of Agriculture researchers have released tiny parasitic wasps in forests

发表于:2019-01-14 / 阅读(69) / 评论(0) 分类 VOA标准英语2014年(七月)

bed, deposit, field 书馆 矿床 outcrop 露头 fault 断层 vein, sean, lode 矿脉 gold reef 金矿矿脉 pocket 矿穴 reservoir 储藏 water table 潜水面,地下水面 mine 矿 stratum, layer 矿

发表于:2019-02-06 / 阅读(104) / 评论(0) 分类 英文语法词汇
学英语单词
ac inert-arc welder
aerosiderites
artcher
bank rate
barrier material
be in a bad mood
bibromide
bubble eccentricity
bucket trenching machine
Butiru
Carlingford
character fragging
clunchion
co-efficient of contraction
commonplaces
communication network control program
computer clock
cone type loud-speaker
congenital entropion
Cordaitaceae
crystal interface
depth electroencephalography
Difuradin
don't you know
dual processor
durchkomponi(e)rt
egg type chicken
egtism
environmental risk analysis
Epilobium cylindricum
fin type heat exchanger
footers
funingenoside
genus kalotermess
gospelphiles
guildfordia yoka
Hammadiye
heatproofed
hmgb
hurry-up fall
hydrogen controlled covering
impactionization avalanche
Innoshima
interclutch
interest on debenture
international sewage pollution prevention (ispp) certificate
joint overseas switchboard
kilka
kramm
linear disjointure
Los Vilos
lux ham
Maritime-Custom
micro-driving motor
middleaged
monocontamination
moving blade loss
Nernst
Nodi lymphatici inguinales superficiales inferiores
operation of intracranial tumor
peloponeses
pemphigus foliaceus
pendulum action spreader
penguin suits
philatelies
photoelectric solid-state device
predictive modeling
preextraction
Prof'l
pseudoinverses
puckster
quantity of heat production
railway operation
raise capital
resistance of ballast to transverse displacement of track
retenequinone
ring mulching
rosa henryi boulenger
ruling gradient
sedulous
septal lamella
sex offense
Silzbach
sky-sign
sociates
spray type recovery furnace
standard radius
sum-of-the-year-digits
sutchuensis
swim briefs
Syllact
tailwaters
the covers
tissue storage by deep freezing
uloid cicatrix
ultra-feminine
unexceptionable
Urkan
Vena marginalis lateralis
wing margin
wry nose
zampieris