音标:['nɔnkәn'vә:dʒәnt] ;
非收敛的
s (of lines, planes, or surfaces) never meeting or crossing

【近义词】

The tiny brain of this zebra finch may help scientists answer questions on how people form words to talk. Like humans songbirds learn to vocalize by imitation. Were able to not only just study the mechanisms of how vocal learning works in these songb

发表于:2018-12-08 / 阅读(74) / 评论(0) 分类 VOA标准英语2018年(五月)

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(一)月

Researchers have discovered an almost universal word. Huh? You say? Even if you are not a native speaker of English, you probably dont need a translation for Huh? It appears that the word, or a very similar form of it, is used in most of the language

发表于:2018-12-28 / 阅读(56) / 评论(0) 分类 轻松英文阅读

Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日,BAE系统公司发布的一份概念视频展示了未来制造无

发表于:2019-01-07 / 阅读(100) / 评论(0) 分类 英语新闻

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(139) / 评论(0) 分类 2017年NPR美国国家公共电台9月

But even though the insect brain is organized very differently from ours, there are some striking similarities. 虽然昆虫与人类大脑的组成大相径庭,但是仍有很多惊人的相似之处。 For example, most insects have smell detecto

发表于:2019-01-17 / 阅读(99) / 评论(0) 分类 TED演讲教育篇

Dogs have been mans best friend for thousands of years, a source of companionship and loyalty since the Stone Age. 几千年以来,狗狗都是人类最好的朋友,从石器时代开始就是人类忠诚的陪伴。 Now scientists suspect they h

发表于:2019-01-31 / 阅读(78) / 评论(0) 分类 英语新闻

Kerry Leaves Pakistan Hopeful, Despite Divides尽管有分歧 克里仍给巴基斯坦留下希望 U.S. Secretary of State John Kerry has wrapped up a visit to Pakistan with an agreement by the two countries to resume a dialogue on security issues. T

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 VOA常速英语2013年(八月)

Itcanbeinferredfromthepassagethatthe authorwouldbemostlikelytoagreewith whichofthefollowingstatementsregarding socioeconomicclassandsupportforthe rebelandLoyalistcausesduringthe AmericanRevolutionaryWa

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 英文语法词汇

Science and technology: Panda genetics 科技:熊猫遗传学 Hey dude. Give me six! 嘿,伙计。用六指击个掌吧! Two strange mammals illuminate the process of natural selection. 两种不同的哺乳动物阐明自然选择的过程。

发表于:2019-02-16 / 阅读(120) / 评论(0) 分类 经济学人科技系列
学英语单词
-pack
adjusting storage area
Aeta
angle of stalling
bank-manager
bazaine
be in the mood
berkelium isotope
bus support
bystole
call forth
cancer risk
cerebrum exsiccatum
cloathy
combustable fume detection system
community-based health intervention
connector class
core support
Data Set Ready
dusting machine
Eaves.
emergency trip testing handle
environment of a label constant
evaporation to dryness
events happening
exhauster governor
expressive crowd
fetal hemopoiesis
fiber glass coating
fire end
forwake
germyls
goldbeater
hard-face
hexagonal steel
high voltage transmission
higher-numbered state
horsefly
hurdle step
indios
individual baseline
infantile fasciolopsiasis
iron reinforcement
Ixodex
juxtapolynomaials
kobzari
Lakonia
Lathyrus humilis
LaxatolPhenolphtaleinum
Lo-Ex
logfile
low-impedance receiver front end
luescher
m?ssbauer spectrum
makahs
meridionale
metallic cylinder
micrencephalous
monests
net arrived value
octachoron
oleogen
on the hump
overhead expenses
Pacific dogwood
Pamela Harriman
Pfyn
Pinang, Pulau
postpatriarchy
professional personnel
PSWT
radices cynanchi atrati
ramentaceous
recalcitrations
rime
rotary switch
S.M.Sgt.
safras
sammel cristallization
Sheykh Sho'eyb, Jazīreh-ye
slip chart
social equality indicator
sodium chloride bouillon
solutizer steam regenerative process
speed under power
stampi
steam reserve
swimming meet
synchronizing signal compression
tariff and non-tariff concession
tetraiodothyroacetic acid
the dail
three-step snakes
title-roles
trionyx
underfelt
unstagy
Varley's loop test
vibraharps
volatile short term funds
voluntarisms
water pressure fluctuation