排渣式燃烧室

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(99) / 评论(0) 分类 VOA标准英语2016年(三月)

1. What was the main focus of the survey? A. leisure sporting activities B. average age of athletes C. durability of sporting equipment 2. Which group seems to be most active in sports? A. 18-26 B. 27-35 C. 36-45 3. Which sport was cited as the third

发表于:2018-12-28 / 阅读(92) / 评论(0) 分类 听英文对话做选择

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(90) / 评论(0) 分类 英语听力文摘 English Digest

Since I go to high school, I live in the school and stay away from my parents. I have three roommates, at the beginning, we have trouble in staying in the same room, but now we have got used to it. One of my roommates impresses me so much, since she

发表于:2019-01-06 / 阅读(97) / 评论(0) 分类 英语作文

This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 Scientific American(四)月

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(126) / 评论(0) 分类 Scientific American(三)月

At this time next year, Kenyans are hoping for a new constitution, implemented under reformed government institutions. When it comes to politicians, though, Kenyans are long-accustomed to disappointment. Alan Boswell | Nairobi 15 December 2009 Kenyan

发表于:2019-01-09 / 阅读(82) / 评论(0) 分类 VOA标准英语2009年(十二月)

This is the VOA Special English Economics Report. Economics and weather have a lot in common. Knowing what conditions will be like weeks or months in the future is not easy. One thing that helps economists predict the future is the index of leading

发表于:2019-01-11 / 阅读(80) / 评论(0) 分类 VOA慢速英语2007年(四)月

Indias Jobless Hit Hard by Lagging Economy Evidence of Indias slowing economy can be seen from local car dealerships - where auto sales are set to decrease for the first time in 10 years - to job training workshops where unemployed young people like

发表于:2019-01-14 / 阅读(82) / 评论(0) 分类 VOA标准英语2013年(三月)

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(126) / 评论(0) 分类 VOA标准英语2016年(三月)

John: Hello, you're listening to Real English from BBC Learning English. I'm John. Helen: And I'm Helen. John: Here on Real English, you can learn words and phrases which you might not find in your dictionary. Helen: That's right. 希望您在今天的

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 英语听力精选进阶版

今天我们要学的词是inherit。 Inherit是继承的意思。Sam从他叔叔那儿继承了一大笔财产就是 Sam inherited a fortune from his uncle. Jenny继承了妈妈的红头发,可以说 Jenny inherits her red hair from her mom. 法国新

发表于:2019-01-25 / 阅读(86) / 评论(0) 分类 英语每日一词

When I was very small, I like to read the books with pictures, because I did not know the words. One day, I saw the interesting pictures in the book, I saw the turtle and the rabbit, but I did not know what it said, so I asked my mom. She told me tha

发表于:2019-02-04 / 阅读(87) / 评论(0) 分类 英语作文

TOKYO, Oct. 12 (Xinhua) -- China won the men's team gold medal of the gymnastics world championships for the fifth time in a row Wednesday, holding off host Japan and the United States, which took the second and third place. China, the 2008 Beijing O

发表于:2019-02-07 / 阅读(116) / 评论(0) 分类 英语新闻

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(101) / 评论(0) 分类 阅读空间

Once upon a time, the world was a big, dysfunctional family. 很久以前,世界是个很大却不和谐的大家庭。 It was run by the great and powerful parents, and the people were helpless and hopeless naughty children. 这个家庭被伟大的

发表于:2019-02-13 / 阅读(64) / 评论(0) 分类 TED演讲国际问题篇

In the modernisation process, agriculture is lagging compared with other sectors, such as urbanization, industrialization and information technology. We need to restructure and upgrade the business models and production systems which focus on technol

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 cctv9英语新闻2016年

今天我们要学的词是inherit。 Inherit是继承的意思。Sam从他叔叔那儿继承了一大笔财产就是 Sam inherited a fortune from his uncle. Jenny继承了妈妈的红头发,可以说 Jenny inherits her red hair from her mom. 法国新

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 英语单词荟萃

健康的小狗和有残疾的小狗,你会选择哪个作为自己的宠物呢?在很多人追求完美的时候,一个小男孩却给我们上了生动的一课。 A store owner was tacking a sign above his door that read Puppies For Sale. Sign

发表于:2019-02-19 / 阅读(111) / 评论(0) 分类 英语美文

There be 两大非谓语形式 There be 做非谓语时,be可以是不定式(to be)或(being),所以非谓语形式有 there being 和 there to be. There 作逻辑主语。非谓语形式的 there to be 和there being 结构可用作主语、

发表于:2019-02-23 / 阅读(70) / 评论(0) 分类 英语PK台
学英语单词
-cic
a hot issue
accelerating chain
alkyisulfate
amount of looseness
Australian Grain Charter
azat
BBSRC
bredsoy
bubble-point reservoir
champart
Childebert I
chlorauride
chock slide
circulus
colletotrichum agaves
commenliche
compilable
compound temperature relay
concomitantly
corncob engine
corresponding content
costa dichocephali
dartmouth
deposit transfer
Detantol
dibutyl tin laurate
driving roller
Dutch chair
early spark (ignition)
EBC
EHC (electric hydraulic control)
elipse
Equetus
expectation theory
fellwalkings
forest fire science
fuse metal
gynandrous
Hametag process
hartop
healthy-food
helioaerotherapy
heteocladium tenue mitt.
hide
hot gas pressurizing system
house transformer
hyper-expansion
indices of a line
intramolecular polymerization
irregular pyramid
karamesines
kaw-
lashing out
low tidal level
medricks
merluccids
minus balance
monodisperse
nayas
oberadilol
packhams
photocatalyses
pneumotomograph
positioning pin
prednisolone butylacetate
prepyloric diaphragm
pro metacenter
provision for tax
pyrrhicist
Rawr
re-deliver
reference information
retraction ring
rhizome forest
riparian water loss
routine checkout
sap sample
Schuffner's stippling
Sopokha
standard interrupts
steadying
steel section
storage management system
stratigraphic marker
suckler cow
supervisory powers
Swainson's hawk
symmetry inversion
synradioulnatis
terrorizations
The answer is in the affirmative.
thenaldine
thrackle
tirracke
two-storeyed forest
visual display station
vords
water geology
whipstalled
wirepull
wuxing