un. 侧燃烧室

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(123) / 评论(0) 分类 VOA标准英语2016年(三月)

Fire Claim Investigation Dialogue 1 -Fire department. -I'd like to speak to someone about a fire I had last night on my farm. -Do you have a policy with F.P.A? -I do.That's why I'm phoning you now. -All right,sir.could you give me the number of the

发表于:2018-12-25 / 阅读(127) / 评论(0) 分类 公务员口语

[00:03.00]hold [00:03.41]hold n.把握, 把持力, 柄, 控制, 监禁, 掌握, 货舱 vt.拿着, 保存, 支持, 占据, 持有, 拥有 vi.支持, 保持, 有效 n.控制, 保留 [00:06.29]holiday [00:06.70]holiday n.假日, 节日, 假期 [00:09.38]home [00:09.78]home n.家, 住宅, 家乡, 本

发表于:2018-12-30 / 阅读(84) / 评论(0) 分类 英语1000高频词汇

英语基础--《英语1000高频词汇》(英语学习必须熟悉的1000词汇) 这是英语词汇中最基础的、使用频率最高的,约1000个词汇,不管是中学毕业还是大学毕业,这1000个单词都应该非常熟悉,因为这些单词真的太基础了,使用频率非常高。 如果听过《朗文词典》能用3000以内的单词

发表于:2018-12-30 / 阅读(100) / 评论(0) 分类 英语1000高频词汇

[00:03.61]I pron.我 n.字母I, [化]碘元素, 罗马数字1 [00:12.52]ice [00:13.12]ice n.冰冻食品 vt.冰冻, 覆以冰 vi.结冰 abbr.[军] Intenal Combustion Engine, 内燃机 [00:23.94]ice cream [00:24.54]ice cream n.冰淇淋 [00:30.65]idea [00:31.25]idea n.想法, 念头,

发表于:2018-12-30 / 阅读(135) / 评论(0) 分类 英语1000高频词汇

10. The Future of Cars 10. 汽车的未来 The fact is, when we do our market research around the world, we see that there's nearly a universal aspiration on the part of people to own an automobile. And 750 million people in the world today own a car

发表于:2018-12-30 / 阅读(197) / 评论(0) 分类 历史英雄名人演讲

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

[00:00.00]Fuel CellEnergy in the Future [00:09.66]The price of oil has soared from $43.45 a barrel to $65.35, a 50% gain. [00:19.95]It is transportation such as driving back and forth to work [00:24.32]and visiting companies that burns lots of fossil

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 晨读英语美文60篇

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(139) / 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(147) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 Scientific American(五)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(126) / 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(144) / 评论(0) 分类 VOA标准英语2016年(三月)

Science and technology 科技报道 Climate change in the Arctic 北极气候变化 Beating a retreat 仓惶撤退 Arctic sea ice is melting far faster than climate models predict. Why? 北极海冰正在以比气候模型所预测的快得多的速度

发表于:2019-01-17 / 阅读(101) / 评论(0) 分类 经济学人科技系列

HOUSTON, July 25 (Xinhua) -- A shelter-in-place was ordered after a battery caught fire during a testing at NASA's Johnson Space Center Monday morning. A battery was being tested inside a containment system when it got overheated and caught fire at a

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 英语新闻

水泥英文单词 矿渣水泥slag cement 硅酸盐水泥portland cement 主导产品leading product 年产量annual output 基准reference 体系system 完全燃烧complete combustion 不完全燃烧incomplete combustion 机械不完全燃烧mechanical incomplete combustion 化学不完全燃烧

发表于:2019-02-07 / 阅读(219) / 评论(0) 分类 英文语法词汇

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(128) / 评论(0) 分类 阅读空间

I do not know the suffering of a person you love but love a person can love to the original as deaf as dumb. He is one of him, no matter what, you are accepted, do not want to do anything a little bit of modification. And the extraordinary in his eye

发表于:2019-02-17 / 阅读(101) / 评论(0) 分类 英语美文

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢,

发表于:2019-02-18 / 阅读(111) / 评论(0) 分类 英语新闻

这是你耶 Look,it's you. 非常感谢你们让我住在这里 Thank you so much for opening up your home to me. 谁愿意住宾馆啊 Well,who wants to stay in a hotel? 窗户又打不开 诡异的卡片式钥匙 Windows that don't open,those craz

发表于:2019-03-16 / 阅读(354) / 评论(0) 分类 生活大爆炸第三季
学英语单词
a cock-and-bull story
a cold snap
after perception
akhbars
all-terrain bike
appraise assets
ASTM
azacosterol
Bad Gleichenberg
Badinae
bags with hook holes
baristo
basisseism
be in someone's debt
be wishful for
brass wind
capetian
carcass weight
cast ingot
Cauchy's dispersion formula
CH4
Clematis integrifolia
clothesprop
condenser current
consanguinously
Coprococcus
critical depth of wave base
Cuprokirovite
divulje
downheartednesses
economic continuous rating
endoclita sinensis
entireties
except for opinion
foot face
fruticous tundra
genus firmianas
genus Xanthium
go away with the garland
gordon-smith
hanboes
hantzschia virgata
hatch carline
heat waste
highaw
horniman
horse hack
i-flured
inclusive
juars
knife frame
Labuan, Wilayah Persekutuan
leaps in
llullaillacoes
loadline disc
logic shift right
longitudinal wharf
mantie cavity
margraviates
Marienburg
market-determined price
mechanics of microcirculation
metzgeria conjugata lindb.
mydriaticum
Myzorhynchus
nisbite
open-wheeled
overly metallization
Palestinian National Authority
Panalmine
pancake winding
parabolic camber
Parang, Pulau
pedantocracy
photo-offset printings
polycarpy
polysulfide polymer
programming language manual
projection screens
radiation shielding material
rather too salt
right hand round edge external corner
rubber modeling method
setosa
should be
sphalerite structure
spongework
stand in someone's way
status flag latch
tinting of wires
toy top
tremellaceaes
tryptar
two way street
unique material identifier
varicelliform
vaticinates
verbal cues
visioner
vulnerable center (baricelli 1956)
white hat
woollen sweater