[网络] 双向性

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10

发表于:2018-12-24 / 阅读(37) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 Scientific American(四)月

[00:05.49]Why are some people left-handed? [00:09.09]Scientists have been trying to answer that question for many years. [00:14.32]Research has shown that ninety percent of people naturally use their right hands for most tasks. [00:22.94]But hundreds

发表于:2018-12-26 / 阅读(21) / 评论(0) 分类 美国英语听力80篇

By Mary Morningstar Washington 15 April 2008 Humble, unassuming and reliable are words often used to describe Country legend George Strait. Since 1981, the 55-year-old Texan has sold close to 70 million albums worldwide and collected over 50 major in

发表于:2019-02-06 / 阅读(83) / 评论(0) 分类 VOA常速英语2008年(四月)

经过对剑桥雅思听力题的总结,我们发现,许多题目存在着比较关系,破解了题目中的比较关系,也就可以正确解题。下面,我们就来为大家讲一讲雅思听力题中的比较关系。 在这里,我们把

发表于:2019-02-09 / 阅读(76) / 评论(0) 分类 雅思英语

新GRE阅读主要考验我们逻辑推理能力,在中国很少进行着方面的训练。逻辑推理能力在阅读中考察,从宏观上把握文章,抓住文章的主体结构是关键。下面为大家进行3种常见的GRE阅读主题结构

发表于:2019-02-17 / 阅读(32) / 评论(0) 分类 GRE英语
学英语单词
accosts
accounting law
air gap
Akaoka
anabatic front
animoseness
applied cant
as simple as rolling off a log
automatic irrigation system
automatous automonitor
average power monitor
bladders
boccanegra
boedijnopeziza insititia
boron hydride poisoning
bourbonal
brass screw down bib cock heavy type
calciovolborthites
came into possession
celestialities
champetres
chinchilla cloth finishing
chloridiazepoxide
christmass
cohesion of sand
Cosmati work
crewcuts
de-bugging period
e-class
Egyptian clover
electronic skyscreen equipment
employment statistics
Eppelsheim
ess
expedited message handler queues
eyeballs out
fast ship
finance image processor
flat beard-needle knitting machine
fly screens
fungal proteinase
get to the bottom of something
glandlike
go the round s
gongshanensis
HAOT
home improvements
indirect requests
injection pumping
intensification of labor
julus
leonhard
Li Yu
line products
llwyd
lobater
Lubicon L.
magic mug
magnet core delay cable
magnifier
magomed
major histocompatibility complex(mhc)
master of one's destiny
mechanomyogram
merge key
Metschnikowia
noisy deformed tree
nyayo
on-condition function
onioniest
orange milkwort
overcurrent protective device
oze
Patos Lagoon
pentonvilles
platinum-cobalt unit
positiva
pseudo-blepharoplast
reception congestion
relay interlocking signal box
Remission Thursday
rescinded
rib crepe
Rudnya
seasonally adjusted annual rate
sheep husbandry
Sihāwal
siuier
Souter
south-carolina
speak the same language
squint error
swear in
tanker airplane
thiokol latex
tompion
tzardom
various and sundry
violant
virtuate
waveguided
zone of negative pressure