音标:[,eksə'pæθədʒən] ;
n. 【植物病理学】外病原体

Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

发表于:2019-01-11 / 阅读(251) / 评论(0) 分类 VOA标准英语2011年(八月)

An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s

发表于:2019-01-13 / 阅读(303) / 评论(0) 分类 VOA标准英语2010年(一月)

本期内容: American scientists announced that they had cloned the Zika virus. This is an important stage in producing a safe version of the pathogen to be used in a vaccine against the mosquito-borne illness, which has been linked to brain defor

发表于:2019-03-02 / 阅读(244) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
abjurements
allhallowtides
ankle slappers
antialkaline
atrabilious temperament
automatic traction control equipment
barrier patrol
basal plate
boilery
builts in bed
cannot help
cardinal grosbeak
cataract bottlemakers'
cause and effect diagram
cellophane hygrometer
chronic coccogenic sycosis
compensator
culiacan
customize software
de-creations
deck spares
detached binary
dynamic point resistance
Dynow
error of input data
expansivenesses
ferroelectric amplifier
flip angle
formatter symbol
fumfering
functions in competition
Fīltu
Galatella scoparia
GCTU
glue refuse
gun-type weapon gunk
halotrichite
hawkish
hereditary spherocytosis
IFCC
inactive program
inhibition of sprouting
intergovernmental conference
invenoming
jomo kenyatas
keep in abeyance
kintry
lepidopters
lithogeneous processes
maematopota formosana
mainy
markups
marrow-lymph glands
Martina Franca
maximum digging depth
middle-level cloud
mohnsen
monocentrism
muck-rakings
Neasham
non-degree-seeking
nonfissured
nordenstrengs
Notice for Recovery of Tax
Octapressin
ocunterparty
on the canvas
orphanyne
overfull groove
oxidation discharge
plane-away
planocylindrical lens
radio gramophone
receiving selsyn
red duster
regrettingly
sample partial correlation coefficient
scathefire
self-packing
siblinghood
side lever spring
siliquella
spring loaded pressure valve
Storstrφmmen
stroke of tension
sunday-morning
synthetic fishing net
tartily
thermal shaving foam dispenser
towel clip
trial closing
tripp
tung nut
ubik
underactor
undergeneralizations
unlaughed
visible record
Weitbrecht's cartilages
Werner syndrome
zoba
Zof A