二维阻力

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十)月

我们前两次已经讲了好几个以fight为关键词的习惯用语。我们今天还要再讲两个。第一个是: knock-down drag-out fight。Knock-down意思是击倒,而drag-out可以解释拖出来。听了这个习惯用语你很可能会联

发表于:2019-01-16 / 阅读(98) / 评论(0) 分类 美国习惯用语

to put on the back burner to drag one's feet 我们经常说做事要看轻重缓急,有的时候不得不把正在做的事或计划要做的事先搁置一边。美国人把这叫做:to put on t

发表于:2019-02-02 / 阅读(101) / 评论(0) 分类 美国习惯用语

2009年的一部3D大片《阿凡达》让很多人都记住了avatar这个词。在网络上搜索这个词,出来的结果大部分也都跟这部电影有关。其实,avatar并不是导演造的一个词,它在印度教中指圣人的化身。

发表于:2019-02-06 / 阅读(65) / 评论(0) 分类 英语口语

今天我们要学的词是drag。 Drag, 做为名词,有累赘,拖累的意思。美国联邦储备委员会主席伯南克认为,房屋市场的不景气会继续成为美国经济成长的绊脚石。Federal Reserve Chairman Ben Bernanke sai

发表于:2019-02-06 / 阅读(47) / 评论(0) 分类 英语每日一词

今天我们要学的词是drag。 Drag, 作为名词,有累赘的意思。 He did not want to be a drag on his children, 他不愿意成为孩子们的负担。 He has always been a drag on the group, 他总是给集体拖后腿。 在美国总统大

发表于:2019-02-06 / 阅读(47) / 评论(0) 分类 英语每日一词
学英语单词
250mm below ties
allyl cyanamide
andrena cheni
asaad
automobile coating
Barentsburg
Baumkuchen
box car end
BPTI
brokaw
case load
cheiracus lanceolatus
collateral ulnar ligament
crated
dactylozooid
debug switch
deep socket wrench
degradeth
diagonal travel
direct ground system
Disko Bugt
dits
doldrums
duthiella formosana
duty watch
EMTP
entam(o)ebas
estraterrestrial body
Eugenia jambos L.
Federally related institutions
feeding current
fennec foxes
field ion mass spectroscopy (fims)
fissura dorsolateralis
flanking effect
flookan
forth-river
graplines
harm reduction
hold out bait
infectious particle
insulator- superconductor transition
interoception
interstratal karst
kapoor
keep a seat warm for sb
keeping in ship's position
lamellar bone
land airplane
land liable to flood
Landresse
Larmor precession frequency
Larne District
linaridial
liquid-liquid separator
Lubitsch, Ernst
marine screw propeller
mccale
meningitophobia
microearthquake
milicron
moreghen
neckful
nitzschia maxima
open access
open rail
operation voltage
Oucques
overpictured
Philydraceae
plug wood
powdery material
processing privileges
quasi-government
reciprocating spading machine
refinanced loan
senile involution
sheer hulk
soapsuds cyst
soda felspar
state anxiety
steady state universe
steam water two phase flow
strength reduction processor
subcrop
sublating
Surrenon
swedish gymnastic
swerveless
tagetiin
ternary operators
Tobigue
tops of the inning
tufted antshrikes
twin-coach
Ukanga I.
water-to-steam ratio
wegner aspirator
whale-oil
whip and derry
whole team approach
ZHz