阿基米德螺旋;阿基米德式螺旋抽水机

Archimedes was a Greek scientist. He lives in Syracuse nearly 200 years ago. The King of the land wanted to wear a Golden Crown. He gave some gold to a goldsmith to make a suitable crown. After few days, the goldsmith brought the finished crown to th

发表于:2018-12-08 / 阅读(97) / 评论(0) 分类 英汉幽默故事选读

Students rece cardboard boats at Lindenhurst high school That this is one of the projects they're most excited about. They are reconstrained to working with certain materials, for example, cardboard. They cant not use anything, they cannot use styro

发表于:2018-12-11 / 阅读(169) / 评论(0) 分类 万花筒2008年

He pried the box open with a screwdriver. 他用螺蛳起子把箱子打开。 pry把东西撬开,注意过去式要把y变i再加ed. He pried the door open with a knife. 他用刀把门撬开。

发表于:2018-12-25 / 阅读(117) / 评论(0) 分类 蒋健棠英语实用句子

One of the two kitchen light bulbs was out. It was circular and fluorescent. He placed a chair under the light. He stood on the chair. He unscrewed three screws. He removed the plastic cover. He removed the bad bulb. He inserted a new one. He screwed

发表于:2018-12-26 / 阅读(139) / 评论(0) 分类 英文短篇故事(纽约)

Scenario 3: Leonard: Stephen Hawkings team is looking into that, and Ive been invited to join them. Penny: wow, Hawking! Good for you! Leonard: well it is. Just, you know, I would be gone for a while. Penny: well, how long? Leonard: three four months

发表于:2018-12-28 / 阅读(114) / 评论(0) 分类 跟着美剧练发音

[00:00.00] Unit 2 [00:08.49]Exercise 1 [00:14.84]Match the present tense to the past tense of these verbs. [00:22.41]Then listen and repeat the words. [00:27.25]is was [00:32.89]tease teased [00:41.35]make made [00:49.40]come came [00:56.95]run ran [

发表于:2018-12-29 / 阅读(184) / 评论(0) 分类 新标准小学英语第七册(三年级起点)

The garbage disposal was old. It was leaking water. Eddie needed to replace it. He opened his toolbox. He took a screwdriver out of his toolbox. The garbage disposal had three screws. He unscrewed the three screws. He took the garbage disposal out. H

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 简单慢速英语阅读

The garbage disposal was old. It was leaking water. Eddie needed to replace it. He opened his toolbox. He took a screwdriver out of his toolbox. The garbage disposal had three screws. He unscrewed the three screws. He took the garbage disposal out. H

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 原版英语小短文

He turned on the light switch. The hall light went on. Then he heard a popping sound because the light bulb blew out. It was time to change the bulb. He went into the kitchen. He opened a kitchen cabinet. He looked at five different light bulbs. One

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 原版英语小短文

Screws 螺丝钉 Because you see screws every day, every where, you may think they're not important or great. 因为你随时随地都能看到螺丝钉,就可能认为它们不重要或不伟大了。 But screws are very useful, important and grea

发表于:2019-01-10 / 阅读(138) / 评论(0) 分类 与美国小学生一起学英文第10册

Jimmy lives on the second floor of a six-unit apartment building. His front door has two locks -- a security deadbolt, and a regular door handle lock. The front door also has a peephole -- a tiny piece of glass through which Jimmy can look out his do

发表于:2019-01-11 / 阅读(115) / 评论(0) 分类 365个英语简短小故事

Solid State Drive Gives New Life to Old Computer 旧电脑升级固态硬盘焕发新春 Within the past few weeks, many updates to operating systems have been released: Windows 10 for PCs and OS X El Capitan for Mac. These new operating systems are

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 2015年VOA慢速英语(十一)月

DAVID GREENE, HOST: If you've ever read an itemized medical bill, you might have noticed that small things can come with these ridiculously high prices. Every month, NPR with Kaiser Health News has been taking a close look at some of these bills, and

发表于:2019-01-16 / 阅读(90) / 评论(0) 分类 2018年NPR美国国家公共电台5月

Nothing can elicit an emotional response -- 任何事物都无法像人体一样 from joy to complete disgust -- more than the human body. 表达诸多情感--从快乐到厌恶至极。 And today, artists armed with that emotion, 当今,艺术家正

发表于:2019-01-18 / 阅读(127) / 评论(0) 分类 TED演讲设计篇

Assembling Furniture Armand: Did you know that this nightstand required assembly when you bought it? Suzanne: The box said that it required simple assembly. I guess whats simple to them isnt simple to us. Armand: You can say that again. These instruc

发表于:2019-01-23 / 阅读(201) / 评论(0) 分类 2015年ESL之日常生活

Ed came home from his errands and put the groceries into the cupboard and the refrigerator. He grabbed a flathead screwdriver and a pair of pliers from his toolbox. In the kitchen, he got down on his hands and knees and turned on the flashlight. Afte

发表于:2019-01-27 / 阅读(146) / 评论(0) 分类 365个英语简短小故事

音乐咖啡厅:Rihanna再度牵手Justin Timberlake(Hole In My Head) Artist:Rihanna Song:Hole In My Head [00:06.66]You got a hole in your head [00:09.79]You got a hole in your head girl [00:13.10]You got a hole in your head [00:16.19]You got a h

发表于:2019-02-08 / 阅读(208) / 评论(0) 分类 音乐咖啡厅

Listen to the dialogues and check the tools they mentioned. 英语对话1 A:What kind of tool do you need for loosening the bolt? B:A wrench would be helpful. 英语对话2 A:What do you need for pulling the nail out? B:I need pliers. 英语对话3 A

发表于:2019-02-17 / 阅读(155) / 评论(0) 分类 英语听力练习题
学英语单词
allochromatic metamorphism
almost periodic differential equation
alpha-to-neutron fission ratio
anchi-eutectic
anhalidine
antinaturalistic
barley unit
blast volume trace
boost-glide vehicle
butter up
Campylotropis sulcata
capitoli
cash-transfers
centreline of boiler
cock wrench
coil-spring shock absorber
combining estimate of correlation
Congressional Budget Office
conjugated triple bond
contrast of brightness
crown break
currency of bill
dedendum surface
dousble-us
dropped plates
East Helena
edge strip scanning equipment
edgrow
efficient power-shift transmission
El Greco
electrochemical appliance
EMGDI
ex-hippies
five-phases
fluoroalkane
folding pocket rule
FSR (feedback shift register)
gaytheists
geriopsychosis
Gleditsia formosana
go down the wind
guarland
half-headeds
hematoxylin-eosin
homoosis
hope to goodness
hydrogen oil
immovable support
index root page
indirect scanning
interior form
localizatio
low speed engine
manualisms
memory steal
Mesacanthidae
metallesthesia
middle brother
negotiated bills
nigerias
noise(-measuring) meter
non-dispersed system
Noyant-la-Plaine
onwald
outwound
porta (of liver)(or portal fissure)
proper seeding
provision for taxation
puts the kibosh on
response amplitude operator(rao)
retarding travel
Rhododendron polytrichum
riverstowns
Rudky
scalar stack
selenanthias analis
self bucking hammer
shired
short floating-point number
skriko
Spasmoril
spermodochia
squinting
stem base
stylus oscillograph
supershedders
szaszs
table of integrals
talk away
Thiosporin
title of a patent
trilinear method
Tripterospermum nienkui
twin-turbofan aircraft
two speed adapter
Uisong
Valle Mosso
venas
vessel wall
w3 consortium
white-hall
yuds