体积变形;相对体(积)变形

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

1. Russians 1、俄罗斯人 Scientists still cannot agree on their origins and answer the question when Russians became Russian. The ancestry of Russians were sought among Normans, Scythians, and Sarmatians, and even the South Siberian Usuns. 俄罗斯

发表于:2019-02-01 / 阅读(40) / 评论(0) 分类 阅读空间

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(57) / 评论(0) 分类 英语新闻

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(81) / 评论(0) 分类 实用英语

本期内容: The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(50) / 评论(0) 分类 夏说英语新闻晨读

英语单词快速记忆法丛书(2)

发表于:2019-02-26 / 阅读(90) / 评论(0) 分类 英文语法词汇
学英语单词
-neutral
Adusa
atomic diameters
auditing bodies
Barbado, R.
bisectarian
braces aback
buskles
centre-spread
code of conduct
cold-post potential
concept-based
convallarin
cosmovision
Cumiana
currency unrest
davon
dead air
deep-hole drilling machine
delaroche
demerse
demolition derbies
demonstration available
denariate
differential serration
domain-name holder
double copulas
drawing order
duct silencer
dulceness
durlak
ecosystemic
electrical sheet steel
ethynylcyclohexanol
exocranium
external faired pipe
family onagraceaes
Feihsien-kuan Formation
fendleri
finishing hardware
Gentiana exquisita
go to the bent
governing by decree
gradient mapping
have one's head in a tar barrel
in agony of pain
income levels
iron peak
jafri
kimberly-clark
LAPOCA
letter of marque
lipoid adrenal hyperplasia
lispe terastigma
Magaz
magnetic stirring
Marcus Aurelius Valerius Maximianus
mathematical arrays
mean time to recovery
microbial evolutionism
millimeter wave power transistors
mon ami
morograph
Morzeszczyn
mpeg-3
north cardinal mark
oeconomicus
of great delicacy
order Piperales
over-prepared
paraffin scraper
paving asphalts
pio
plate nipper
pleuralgias
polyhexamethylene sebacate
portable dust sampler
quartz-fibre manometer
rawalpindi (lawalpindi)
reactive bordeaux
secundigravidae
selenographic latitude
series condenser
short shank drill
Simonka
somani
Starfish site
statistical commissions
thermo-electric effect
three-dimensional polymer
ultrasonic tomographic apparatus
unfashionableness
unheritable
urban planning
Van-Stone flange
voke
Warburger Börde
well and truly
wests by south
word-paintings
xenixes
Zakros