音标:[pri:kəmˈbʌstʃən ˈtʃeimbə ˈendʒin] ;
预燃室式发动机

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(38) / 评论(0) 分类 英语沙龙2004全年合辑下

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 VOA标准英语2016年(三月)

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 Scientific American(七)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)

SCOTT SIMON, HOST: The Democrats' proposed Green New Deal calls for America to eliminate greenhouse gas emissions from U.S. transportation, an ambitious goal that would require - among many other things - phasing out cars that run on gasoline. That m

发表于:2019-03-17 / 阅读(314) / 评论(0) 分类 2019年NPR美国国家公共电台2月
学英语单词
ahlbrandts
always there
Ambadi, L.
angular contact radial bearing
ANTI-LSP
antibiotype
apple and pear
automatic spectrum analyzer
Bacillus pyocyaneus
barium titanate ceramic
barn yard
bioturbators
bony capsule of swim bladder
cable-stayed bridge with single cable plane
calibration oscillator
carbon tax
centring jaw
cholesterolemias
clinodeme
conformability
cryptogamists
crystal sender
curriculum differentiation
distractest
dock harbour
domain addresses
double plug
eviota latifasciata
ex-warrants
false tamarisk
fault-block topography
fiber plate
fiscales
Gallardon
Gymnesians
habitual offence
harmonic vector field
huicholes
incorrigible thief
inorganic chromatography
invitation to tender
Jambin
jet-condenser
lawday
leaf springs
Licuare, R.
ligamenta sacroiliaca dorsalia
liquid resistor
Long Tieng
market keeper
market-drivens
message word buffer
middle umgilical ligament
mitred core
mommy tracker
motor benzol
Neglect of Any Precaution
newchemicalentity
nomimal lightflux
normal effort
oil receiver
physical decolorization
piggily
plains pocket mouse
polyalicyclic
polymesh
popular library
potassium hydrogen iodate
prepancreatic artery
puscs
R Coronae Borealis star
racked off
ramos-horta
ramp-launched missile
re evaluate
Reynolds, Cape
rondals
satellite-tv
Seda-Tablinen
send direct
sharpstone conglomerate
shrake
simplex method of linear programming
skeaping
solitary cyst of liver
standing operating procedure
stiffening piece
sub-atmospheric pressure
taliah
tithymalin
transnational cooperations
true consent
unslandered
uyre
vas lymphaticum mesentericum
vascular insufficiency
vegetative stimulus
vellums
vtr
wooten
zdenkas