无头幼虫

Ladybugs love to snack and feast on other pests, so people began importing in Asian species called hollyqueen ladybugs as natural pest control. But in their new environments the hollyqueens wiped out native ladybugs and they have their parasites to t

发表于:2018-12-24 / 阅读(47) / 评论(0) 分类 Scientific American(五)月

Scientists are using DNA to trace illegal ivory from slaughtered elephants to its countries of origin in an effort to nab poachers. Researchers are trying to combat the multi-billion dollar criminal enterprise at its source. A poached elephant Since

发表于:2019-01-14 / 阅读(47) / 评论(0) 分类 VOA标准英语2009年(七月)

The 2016 Nobel Prize in Physiology or Medicine goes to Yoshinori Ohsumi of Japan for his discoveries of mechanisms of whats known as autophagy. Break the word down and you get auto and phagy: from the Greek for self, auto, and eating, phagein. So, se

发表于:2019-01-17 / 阅读(93) / 评论(0) 分类 2016年Scientific American(十)月

Adrienne: So, Rob, tell me why you don't like elephants! Rob: Why don't I like elephants? It's a long story. I was traveling in India with a friend of mine and one night we decided to spent the night in a national park, looking at wildlife, and we we

发表于:2019-02-06 / 阅读(56) / 评论(0) 分类 原版英语对话1000个

Omega Pharma-Quick Step grabs world team title THE HAGUE, Sept. 16 (Xinhua) -- Belgian cycling team Omega Pharma-Quick Step rode to victory in the men's team time trial at the road World Championships in Limburg, the Netherlands on Sunday. The team,

发表于:2019-02-06 / 阅读(62) / 评论(0) 分类 英语新闻

MANILA, Dec. 7 (Xinhua) -- Death toll in the Philippines due to Typhoon Bopha (local name Pablo) has continued to rise to 418 based on the latest data released Friday by the National Disaster Risk Reduction and Management Council (NDRRMC). NDRRMC Exe

发表于:2019-02-13 / 阅读(54) / 评论(0) 分类 英语新闻
学英语单词
abazi
abnormal lag
agrarianized
akanthite (acanthite)
alismoid
armed assault
arylhydrazinopyrimidine
ataxin
aviation institute
backed blade
bewraying
Bigeumdo
blumea riparia megacephala
bohan
Bolderslev
cautires diversicollis
chopped impulse wave
christian andreas doppler
closed model
co-crucify
coagulinoid
compartmentalizable
compound fat
Cordevole, Torrente
debt of hono(u)r
Denny's Inc.
dimethylbenzene poisoning
discharge opening
domiciliation of an instrument
Douglas bag
dowves
dyskinetic
ephedra
esodic nerve
family melanthiaceaes
far
Flupimazine
fright wind
gammagard
giant-cell fibroblastoma of soft tissue
Glasman
glycoinositol
honde
indilatory
inserted chaser die
installation of cost system
intrigoes
Kroppefjäll
kryuchkov
landform coloration
lift between two levels
lubricating grease
luminescence quenching
marginal vein
multiple cyclone
multivalued encoding
nitrovin
non reactive
non-profit making
nonadjoint
North Dorset
noselessness
oligosite
omniverse
padded cells
pierre terrails
ping jockey
pitot log
pizzaheads
PL cobordism
primary fermentation
rail without bolt hole
right hand airscrew
root file
Rosh Hashanah
sanicles
semi bright nut
shade-enduring tree
shouting match
show your teeth
showse
sleeve dipole antenna
solidified ingot
Speedwriting
spin-forbidden transition
spool intercept buffer
stapled wire
swallow your pride
telaprevir
the Brits
topologically invariant
traffic seperation scheme
traitorlike
trynna
two-point distribution
unenergetically
upland water
Viereth-Trunstadt
visted
volume shrinkage mass
Vortel