[脊椎动物]无颚脊椎动物
词型变化:名词复数形式 : jawless vertebrates

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(一)月

By human standards, a few vertebrate species have incredible longevity. Some tortoises live for nearly 200 years. Bowhead whales can live even a decade or two longer. But now theres a new champion: the Greenland sharkwhich conservative estimates have

发表于:2019-01-20 / 阅读(176) / 评论(0) 分类 2016年Scientific American(八)月

Idiom: On your high horse 非常固执,傲慢,自以为是 Hit the book: illuninate 照亮 organism 生物,微生物 reside 居住 sea cucumber 海参 vertebrate 脊椎动物 dissolve 能融化 adaptation 适应 fundamental 最基本的,最根本

发表于:2019-01-22 / 阅读(220) / 评论(0) 分类 趣味青春英语

BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti

发表于:2019-02-18 / 阅读(319) / 评论(0) 分类 英语新闻

Is this a defect,or are the authors working out of,or trying to forge,a different kind of aesthetic? (3) 这究竟是一种缺陷呢,还是这些作者想要按照一种与众不同的美学体系进行创作,抑或是在试图创立一种与众不

发表于:2019-02-20 / 阅读(144) / 评论(0) 分类 GRE英语

SCOTT SIMON, HOST: You might want to set aside your cornflakes for a moment now. Ed Yong writes in The Atlantic about a substance he says, quote, looks revolting but is also one of nature's more wondrous substances, unlike anything else that's been c

发表于:2019-03-04 / 阅读(200) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
A bargain's a bargain.
algetic
anai mudi pk.
Ananindeua
artificial gold
Australian-Antarctic Basin
auxiliary air intake
avuncularly
b-v
baculites
Ban Kouang
bca horizon
bridge key
bus, data
C-RAN
calebashes
cap-sleeves
chaudhuris
couple of stability
Croatocentrism
Deal stock
direct leading
disciplinize
dual layer anion unit
Duke of York I.
ellipsoidal grating
embattles
ethnologist
evagations
excess temperature shut-down
executional peak
falling ball viscometer
ferromagnetic crstal
forty-niners
genus anthidiums
geotectonic element
Halocnemum
hilduin
horse-breeding
imaginableness
inplantation
integritive
It cannot be questioned that...
Jones calculus
kernal
Lake Albert Nyanza
leakproofness
legislated
Leontief
level filling
long-term financing
longitudinal metacentre radius
magnesite-chrome refractory
map-critique
maroc
masuring bin
milk-punch
monotomic
nadjitas
naked mole rat
Newcastle Bridge
nonidentifications
oak leaf clusters
osteochondropathia
outs-of-uniform
passive memory
penis-face
polynonanoylamide
populos
protopodite
pseudovarieties
r.m.s. power
reacting steel
recording technique
red desert soil
retinaculum musculorum peroneorum
retroactively
Ringkobing
satellite ocean surveillance evaluation center
scratch print
sealed cell sponge rubber
shepardson
side referee
single-phase loom
slab chromatography
sluggisher
snel
snowcats
sooty albatross
staff adjuster
switching yard
Taulé
Tectaria
thou-shalt-nots
torpefying
Twin Mountain
underpromoted
unlawful means
vizards
work steady
worried sick
zande (s. sudan)