冲程发动机;双循环蒸汽机

蒸汽机的发明带来了工业革命,瓦特为此做出了特别大的贡献,今天我们就一起去看看他的工作室是什么样子的? Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week w

发表于:2018-12-27 / 阅读(34) / 评论(0) 分类 一起听英语

THIS IS AMERICA -May 20, 2002: BO Railroad Museum By George Grow VOICE ONE: The American city of Baltimore, Maryland is home to the Baltimore and Ohio Railroad Museum. Museum officials have organized

发表于:2019-01-04 / 阅读(89) / 评论(0) 分类 This is America

Lesson 41 See 1.OK,I'll see to it. 2.I see through you now. 3.They see eye to eye with each other. 4.I can't think what she sees in him. 5.I'll see you through. 6.I saw red when I got the shaft. 7.I've got to go!See you around. 8.Let's see some actio

发表于:2019-01-14 / 阅读(51) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛口语提高版

> PEOPLE IN AMERICA - Casey Jones By George Grow Broadcast: Sunday, June 27, 2004 (THEME) VOICE ONE: I'm Gwen Outen. VOICE TWO: And I'm Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today

发表于:2019-01-30 / 阅读(55) / 评论(0) 分类 People in America

In the layers of clay and sandstone between the seams of coal we often find the remains of plants very well preserved indeed. In the coal itself it is very hard to tell one plant from another, for they have all been crushed together. 在煤层之间的

发表于:2019-02-13 / 阅读(43) / 评论(0) 分类 英国学生科学读本

And am now on my way to make arrangements for a great improvement I have invented for the application of steam to a locomotive. 我正在从事自己研发的如何将蒸气应用到机车项目的重大改进, My name is Martin Kroller. 我叫马丁

发表于:2019-02-13 / 阅读(36) / 评论(0) 分类 美国语文第五册
学英语单词
aersol
Aeschynanthus longicaulis
algebraic expression manipulation statement
anthracene glycoside
anthropolatries
are all over
auto-barring
batting cages
be honest with
be lacking in
benetech
betray the cloven hoof
big fishes
black furnace
body-mike
book titles
brake assister
Business Basic
can lifter
cariou
carrier to noise ratio(cnr)
Caryptoside
chemenibit (cemenibit)
chivving
Ciceronianism
coefficient of efficiency
color group
coming half year
consimilary
corsetmaker
cysed
depth (d)
dermatochalazia
diminution of fertility
dioxolane
double bonds
dry salting
Dzhalinda
electron induced desorption
emblemised
endolour
expansion fog
fit selection
grappler cement
Hagenburg
hap-pened
Heliobacter pylori
HO variation
Hoffmann's atrophy
human-embryo
hydroxybenzylpindolol
illgner
illisions
invert range finder
knee plate
kwong
landed man
landsfolk
long-vowel marks
mannosylglycoprotein
mass morphology
maximum equilibrium current
metaphyll
methylazomethanol
mineralogies
Mizuo phenomenon
nescaf
nonlinear feedback controller
nonsyntaxin
old-fogey
paratactical
phase change-over switch
piezoresistor
plane kerosene
pseudoephedrine
putting the kibosh on
reciprocating pump
recording dilatometer
reverse-directional element
rice-cakes
rubricates
screw-cappeds
selective crude
snaffle bits
sociopragmatists
spherical-seated bearing
sporoschisma mori
standard-output function
starlike function
subjective effects
subscription share
subsidiary business
subversives
sweet titties
tamale pies
tooth color selection
tube sock
Van Allen
vault of skull
wall-mounted light
xoma
zerology