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The Pentagon says the US and coalition partners are carrying out air strikes against Islamic state extremist ISIS in Syria. A new front of US operation against the militants. The strikes are sent on Raka where ISISs headquarters are. Canadian border

发表于:2018-12-02 / 阅读(230) / 评论(0) 分类 2014年NPR美国国家公共电台9月

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(213) / 评论(0) 分类 数学英语

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(450) / 评论(0) 分类 实用英语

Educational psychology 教育心理学 Now you know 现在,你要知道 When should you teach children, and when should you let them explore? 什么时候应该告诫孩子,和什么时候应该让孩子自己摸索? It is one of the oldest deb

发表于:2019-02-16 / 阅读(187) / 评论(0) 分类 经济学人科技系列
学英语单词
adipokines
affectedest
air intake adjusting screw
autotitration
Bar Code System
basket rim
bearing end
beggar's velvet
bernsen
black rubber insertion
black-out paper
Blackeite
blind box
bridge fault
Burwash
Buryn'
call register
castiglioni
charte
chlorine content
chumpier
ciskei
closed-caption
coarse gold
coefficient of mechanical efficiency
convergence
cost-push inflation
cracking vapo
cyclizines
Dibouani
disable separator
discontinuous solution
DVI-A
eliminate deficits and increase profits
Emeldopa
encephalitogen
engine chart
family valerianaceaes
first come first serve
fort detrick
fungisterol ergosterol
gnawing pain
grazing angle
hardscaping
heterogeneous membrane electrode
holistic theory
Homiak
hundred-fold
immutable
in the lion's den
infinitely fast control system
intermobilities
isoetes sinensis palmer
Laffer
Lake Panasoffkee
longitudes
Macaddict
matsons
metricize
neeshaw
Nenthead
non-linear reactance
noncooperativity
ocean trader
onymously
optical acquisition
overconfidently
overnight loan
pctg
photopolymerization composite
pingpong bone
plant histology
quasi-classical approximation
rabi al-awwal
return-flow wind tunnel
ricercar
rocker arrangement
rotary concentrator
Roundwood Res.
sand bed
self-bonding material
seraya
sldp
superior colliculuss
support hoses
sweet oils
syto
taboolis
terrain following (tf)
thymoprivic
tractor roller
train interval
transient spectrum
ultimate sink
unleadable
untristed
valve overlap duration
varenie
vegetable gum
wet-edge retention
xln
youth crime