蛇尾纲, 蛇尾亚纲
n. pl. A class of star-shaped echinoderms having a
disklike body, with slender, articulated arms, which are not grooved
beneath and are often very fragile; -- called also Ophiuroida and
Ophiuridea. See Illust. under Brittle star.
词型变化:名词复数形式 : ophiuroideas

Urbanization Grows Worldwide The World Urban Forum (9/1-7) gets underway Saturday in Naples, Italy to address the growing trend toward urbanization. About 3-thousand participants from 114 countries are expected to attend the conference. This years th

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 VOA标准英语2012年(八月)

This is scientific american 60 second science. Im Chris Daliata. Got a minute? The pain relieving effects of drugs like ibuprofen are well known. But ibuprofen and its relatives, known as nonsteroid anti-inflammatory drugs, may someday have another u

发表于:2019-01-20 / 阅读(43) / 评论(0) 分类 2014年Scientific American(三)月

The US military said it has deployed F-16 fighter jets to a Turkish air field, as coalition air strikes continue against Islamic State militants in Iraq and Syria. Ankara opened the Incirlik Air Base to the anti-IS combat efforts last month, while at

发表于:2019-01-26 / 阅读(31) / 评论(0) 分类 英语新闻

By Alisha Ryu Nairobi 09 May 2006 In recent months, Mogadishu, Somalia has become a deadly battleground between militias loyal to Islamic courts and a newly formed anti-terror coalition that is believ

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 2006年VOA标准英语(五月)

WADA confirm USADA's action on Armstrong approriate BEIJING, Oct. 12 (Xinhua) -- World Anti-Doping Agency has again thrown its support behind USADA after a lengthy report with evidence to prove Lance Armstrong a doper. U.S. Anti-Doping Agency issued

发表于:2019-02-13 / 阅读(73) / 评论(0) 分类 英语新闻

Six New Year's Resolutions Getting healthy need not be overwhelming. Here are six simple, straightforward ways to get on track toward optimum health in the new year. 1. Post It On the Fridge! Adopt the Anti-Inflammatory Diet The anti-inflammatory die

发表于:2019-02-17 / 阅读(47) / 评论(0) 分类 阅读空间
学英语单词
48th
Abragam-Pound theory
adynamic ileus
anaerobiont
ancestral temple
Apocynum androsaemifolium
automatic programming language
Baramulla
Barevo
batter pier
boiler room
bottle-shaped
bridge-aft ship
calangay
cancridaes
continuous zone refining
cortinarius elatior
cuspform
cyanopolyyne
cycle storage access
data entry page
degeneracy in linear programming
descriptively
diagonal pitch
Didymoplexis
discriminating breaker
disease of one channel without transmission
dog-track
double-u groove
dress-for-success
electronic coupling
endobasidial
engine unit
ermineus
extremely high-speed gas dynamics
fall crops
farming of tax
faux-finished
field break-up switch
force-lands
generalized character
generator terminal stud insulator
go in for the kill
hagis
hangs on
heady
host service station transfer protocol
hot-mixed asphaltic concrete
immediate maintenance
in drawing
inertio-gravity wave (igw)
inferiours
initial acceptance inspection
Ismailia
Jurbise
knowledge concentrated industry
large volume data file
lisse
logarithmic table
Loxostemon
majoritarianism
malnutrition atrophy
marcatte
mentulae
metallic nuclear fuel
mobocracies
Nepeta multifida
nitrography
non calcic orown soil
nonstick enamel
object program construction
on-line backup
overall heating
overshut
phytotelmata
platybasia basilar impression
process-control language
purveyant
pushed through
rang out
rolling indicator
seri
skew span
smirl
stand security for
Svobodny
syphilis of larynx
system of public service
t-amyl alcohol
tangential servo
the clean thing
trans-test
transfer of name
Tynset
underhand longwall
unexcused
unscabbard
vibroswitch
wabe
Wanfried
Wermsdorf
yangming disease