四冲程内燃机

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(158) / 评论(0) 分类 英语沙龙2004全年合辑下

听广告学英语:Mitsubishi GDI Engine三菱汽车引擎 Mitsubishi GDI 三菱汽车引擎 原文 It's the GDI, the engine technology of tomorrow is already being driven today. Mitsubishi's GDI engine produces more power, reduces fuel consumption, and emits less carb

发表于:2018-12-07 / 阅读(248) / 评论(0) 分类 听广告学英语

By Nancy Steinbach Broadcast: October 1, 2003 This is Faith Lapidus with the VOA Special English Health Report. Scientists in Iceland say they have identified the first gene linked to common forms of

发表于:2018-12-15 / 阅读(180) / 评论(0) 分类 VOA2003(下)-环境与健康

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(177) / 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(156) / 评论(0) 分类 英语听力文摘 English Digest

George Gobel thinks that he might have helped dump his own sisters body. George told police that recently his brother-in-law Russell had asked him to help move a big metal barrel out of his house. Ill buy you a case of Bud, Russell promised. The barr

发表于:2018-12-31 / 阅读(148) / 评论(0) 分类 365个英语简短小故事

When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en

发表于:2019-01-02 / 阅读(218) / 评论(0) 分类 精美英文欣赏

Diet Rich in Tomatoes May Reduce Stroke Risk A long-term study has found that people who routinely eat a lot of tomatoes are less likely to suffer strokes. Tomatoes are rich in lycopene, an antioxidant that scientists believe reduces the risk of hear

发表于:2019-01-06 / 阅读(170) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(三)月

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(186) / 评论(0) 分类 Scientific American(七)月

When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 励志英语

When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 男人强励志英文

This is the VOA Special English Health Report. A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a hemorrhagic,

发表于:2019-01-11 / 阅读(197) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(八月)

By VOA Sports Washington, DC 19 January 2008 German golfer Martin Kaymer has fired a 4-under-par 68 to maintain a six-stroke lead after the third round of the Abu Dhabi Golf Championship in the United Arab Emirates. Kaymer, last year's European PGA T

发表于:2019-01-13 / 阅读(206) / 评论(0) 分类 VOA标准英语2008年(一月)

A new study of stroke in the United States has found that the rate of brain-damaging blood clots has increased dramatically among people infected with HIV. The increase in strokes coincides with the use of newer, more effective AIDS medicines. Bruce

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2011年(一月)

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(194) / 评论(0) 分类 VOA标准英语2016年(三月)

RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about

发表于:2019-01-17 / 阅读(181) / 评论(0) 分类 2017年NPR美国国家公共电台5月

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(263) / 评论(0) 分类 英语单词荟萃

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(434) / 评论(0) 分类 2019年NPR美国国家公共电台2月
学英语单词
-dactyly
a pair of trousers
account payable to superior
adrenal genital syndrome
alnus veridiss
Ambramicina
antabuses
APDU
atheromatosis
base-load power station
basic frame
bidirectional transducer
blow their brains out
book dumping
bout of sentencing
casting department
chloro-plasticizer
clod-poll
consumer-facing
cool character
decidual endometritis
derricking
double-axe
eddy plate
effective echoing area of target
electorial
flame inoisation detector
foreign exchange loss
from that point on
fundamental instrument
gel(ling) point
genus botauruss
Grikwa
gun-pointing radar
guns for hire
gyratory sifer
Ha Nam Ninh, Tinh
half-embrace
heart-broken
homotopy groups
horsehairy
IIDM
incogitative
index barricade register
infrared absorption coefficient
interpolative coding
ipsilateral
julliard
kennans
Kučevište
lectuce
leptelmis formosasa
liberty satin
lift up someone's heart
limation
machine-gunning
marmazat
meeting
metallomes
mining adit
My. & C.
name days
NetWare shell
nucleolemma
orthomnion loheri
paraliageosyncline
pearmonger
periled
phasicity
picture communication
piner
plug-ended trunk
polycentropus pilosa
praefect
probationary party member
properties pledged
real concepts
rerecorded
retirement from the the court
retting clam
rotarytype cooler
run off one's feet
Sao Francisco
semi-quantitative
spacelifter
spiracular annulus
spring contact
star pentagon
stemmery
stethorus muriculatus
subdisk
superieure
system load vector
t.vs
taupest
tetrazines
unidentified
Ust'-Yanskiy Rayon
violation of legal procedures
vulnific
wardness
weldgate pulse