音标:['ɡæstrətrikə] ;
腹毛动物
n. pl. A group of small wormlike animals, having cilia
on the ventral side. The group is regarded as an ancestral or synthetic
one, related to rotifers and annelids.

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 2016年Scientific American(九)月

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 英语新闻

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(69) / 评论(0) 分类 2016年Scientific American(八)月

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(75) / 评论(0) 分类 万物简史
学英语单词
abbi
absolute position
Agolada
aprobacion
arylboron halide
automatic material handling system (amhs)
base weave
benzopinacol
Bielsko-Biała
blood digest broth
blue meanies
bulbous
cast iron reservoir
certified librarian
clovia puncta
crept by
crop microclimate
cross level correction
Dakor
depalma
dibromothymoquinone
DIW
diwan-i
drainage board
educational equipment
electroduster
expatriots
fluorescent characteristics
foliage pattern
fore-mentioned
formica pices formosae
formulizations
fragrant agrimonies
free-fighting
genus Paliurus
give mouth to
go'n
grzywnas
hallucinatory neuralgia
haylocks
hedysarums
house-arrests
impulse voltage characteristics
inpossible
ixolite
joygne
labor accounting
lekota
light bulbs
load carrying capacity
localized tempering
luciocephalid
Luoyang
MAAGB
Malheur L.
Mazandaranis
Mazus caducifer
metchnikovs
method actors
microprocedure
mixture law
navigation constant
nfb
NGO-ization
ni resist ring insert
non-rem
old ale
opacity technique
oughlye
partial aneurysm
pass length
pedater
phalacrocorax carboes
platinum-tungsten alloys
polyalkyl synthetic lubricant
primary hyperthyroidism
Primula prenantha
production line profitability
reconstruction of external auditory canal
recreation rooms
Rift Valley fever virus
ropivacaine
several times
Shimea
shutdown procedure
sprezzatura
station adjustment
stratified multiple stage sampling
stretcher paving
strong acid
subsoilings
supercerbral
tactical air operation center
tactical movement
tengizs
toll telephone office
trioxytriphenylmethane
turify
vapour blast process
vindica
weather man
what was that