制动力

Science and technology: Air pollution: Blown away 科技:空气污染:吹走它 Retired jet engines could help clear the smog that smothered big cities. 退役喷射发动机可以用来驱逐笼罩大城市的雾霾。 To land at Indira Gandhi A

发表于:2018-12-29 / 阅读(60) / 评论(0) 分类 经济学人科技系列

Narrator: Exercise 3.9. Lecture 3: Electric cars? Solar-powered buses? When most people imagine solutions to the problems of city air pollution they probably think of electricity and solar power. But the problem with an electric car is that the elect

发表于:2018-12-30 / 阅读(81) / 评论(0) 分类 202 Useful Exercises for IELTS

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(68) / 评论(0) 分类 Explorations

AS IT IS 2016-09-01 Volvo Truck Breaks Two World Speed Records 沃尔沃卡车打破两项世界速度纪录 The Swedish-based manufacturer Volvo says one of its trucks has broken two world speed records. The truck reached a top speed of 276 kilomete

发表于:2019-01-12 / 阅读(44) / 评论(0) 分类 2016年VOA慢速英语(九)月

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2016年(三月)

Backup Motor May Save Pilots Lives 备用电机或可挽救飞行员的生命 In case of engine failure, multi-engine aircraft often have enough power to land safely, but single-engine planes have a very small chance of avoiding a fatal crash. Now, t

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2015年(七月)
学英语单词
absorpting loss in optical thin-film
acceleration damper
air intake casing
ask for comment
ausubos
boron oxygen triangle
break the pale
buttery-smooth
cacodemons
chinese white cabbages
citromitin
clay carving machine
clearance limitation
Coccovello, Mte.
combativities
complaintful
contraflows
cookstove
counter letter
Credit Netting
Deux-Rivieres
drain flies
drill-socket
dwarf Russian almond
end profile
end tidal carbon dioxide partial pressure
engine operating temperature
eutrema compactum o.e.schulz
family tragulidaes
Ficus daimingshanensis
Flemish-speaking
foliums
frontal orbit
GatorBox
gemifloxacin
geraghty
glomerular anion
Gryms
gulder
half-women
Hemsleya mitrata
high speed
high-speed hot press
horizon picking
idiopathic infantilism
intercellular system
it's sprinkling
Jadīd Khulayf
Jutish
Keara
Kedārpur
key patterns
life testing
line signal sender connector
liquid for self-curing resin
Marina di Palma
meaningful use
melissa
methano-
midsong
napoenses
norway-canada
nosotoxic
open shop
oppera
oyers
partially inserted control rod
phage-resistant bacteria
pheron(apoenzyme)
playspaces
polymorphonuclear neutrophil leukocyte
precognizance
rehandles
ricolettaite
root-balls
salt correction
satellite communication system
save data with table layout
Shock Sensor
squarable
static pressure line
step-changes
surrendre
testificators
textualization
theory of continued-fractions
triacylglycerides
true vertical
TV set
two-point distribution
two-way simultaneous link
uncalibrated
vacuum trap
vein-valve
voice box
warm sponge bath
wave characteristics
White Hmong
wittamers
Yahila