径向拉伸变形

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(67) / 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(41) / 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(60) / 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(51) / 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(170) / 评论(0) 分类 英文语法词汇
学英语单词
.gra
acupoints
aeolipile
anchor box type
anode press
antitrust law
Araucarioxylon
axle ratio
Ban Khu Noi
bank loan
barbatol-carboxylic acid
bebed
Bis-Chloro
bond company
brachytherapist
breast-strokes
caption foundry
celdt
characteristics of limit maneuver
coleosporium zanthoxyli
coler
come weather
complete-tree utilization
computer database organization
constant-current generator
contraconscientious
cornua ammonis
cosamine
cost analyses
cross member reinforcement
defective number chart
disap-pear
distolinguopulpal
double wave soldering
embalmment
feed water level regulation
fob off
genetic adaptation
genghis khans
get clear off
giant hyssop
gilofer
greeted
grid-controlled meroury-arc rectifier
H-R diagram
halfgate
Handbjerg
hietalahti
hongqing
hot-runner mold
inductive electromotive force
influence of ship-body
intervises
is preferred
Jones, Chuck
Juangriego
Klaarmer's tests
la langue du Coca-Cola
late-arriving
low temperature thermocouple
meteor reflection communication
middle prop
Mod.Heb.
multi-drill head
multiplespeed
narrowed down
nominal essence
nummi
ofi
otherest
overseas aid and development
partialize
pick up chain
polynuclcleosis
postmeiotic fusion
power saw
powerlifts
queer-bash
redfins
remote command control
rere-account
retroactive infinitive
riv'n
Robert Woodrow Wilson
sample clean-up
secability
serial publication
shucky ducky
solmisation (solmization)
sponge ash
stage in sequential process
static phase-shift circuit
subpolar high pressure
suction drill
syncytia
theme hotel
tow truck
tree depth
tzu-kung
under one's own power
Veroletten
Verrucatosporites