[机] 最大研磨孔径

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(148) / 评论(0) 分类 有声英文阅读

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 双语有声阅读

Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢? A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

发表于:2018-12-13 / 阅读(122) / 评论(0) 分类 与美国小学生一起学英文第5册

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c

发表于:2018-12-16 / 阅读(168) / 评论(0) 分类 2011年VOA慢速英语(三)月

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 di- 表示使分开,离开 distinguish = di + sting(刺)+ uish 将刺挑

发表于:2018-12-19 / 阅读(103) / 评论(0) 分类 英语PK台

围绕树木展开的话题.... Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme, Im joined by Kate. OK Kate, well last week we were talking about tree climbing,

发表于:2018-12-27 / 阅读(122) / 评论(0) 分类 一起听英语

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(148) / 评论(0) 分类 突破英文词汇

Hi, I'm Carl Azuz. Welcome to this Columbus Day edition of CNN Student News! We'll be talking more about Columbus Day in just a couple minutes. But first, we're reporting on a breakthrough in Chile. And we mean that literally. A hole big enough to re

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 CNN2010年(十)月

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(115) / 评论(0) 分类 与美国小学生一起学英文第9册

Sand 沙子 If you look around you, you can find sand very easily. 你若环顾四周,就很容易发现沙子。 Sand comes from rocks. 沙子源自岩石。 Each grain of sand is less than 2 millimeters in diameter. 每粒沙子的直径小于两毫

发表于:2019-01-10 / 阅读(145) / 评论(0) 分类 与美国小学生一起学英文第5册

I am my mother's only one It's enough I wear my garment so it shows Now you know Only love is all maroon Gluey feathers on a flume Sky is womb and she's the moon I am my mother on the wall, with us all I move in water, shore to shore Nothing's more O

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 金属

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管? B:What size do you need? B:你需要什么型号的? A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 职业技术英语口语

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(182) / 评论(0) 分类 购物英语对话

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(162) / 评论(0) 分类 购物-Shopping

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme(节目,计划), Im joined by Kate.

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 六分钟英语

There was once a farmer who lived near a road. It was not a busy road, but from time to time, cars passed the farm. Near the farm gate, there was a large hole in the road. This hole was always full of water, and the drivers of the cars could not see

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 趣味英语

Down the Rabbit Hole Alice and her big sister were sitting on the grass. Her sister was reading a book, but Alice had nothing to read. She looked at her sister's book again. There were no pictures in it. What good is a book without pictures? She wond

发表于:2019-02-08 / 阅读(208) / 评论(0) 分类 趣味英语

Bad weather meant that oil could not be pumped out of the ship the Rena today. The waves were too high. Pumping the oil is slow work because the oil is cold and thick. The pipe from the Rena to the oil barge is nearly 200m long and quite narrow, 7.5c

发表于:2019-02-17 / 阅读(105) / 评论(0) 分类 新西兰英语

Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的,我们活跃的内部使大量气体喷涌而出,帮助建立了大气层, and provided us with the magnetic field that shields us

发表于:2019-02-25 / 阅读(95) / 评论(0) 分类 万物简史

台湾籍旅美老师今天交给我们的句子是: In fact, a black hole with the diameter of a nickel would be slightly more massive than the Earth. It would have a surface gravity a billion billion times greater than our planet currently does. 事

发表于:2019-03-05 / 阅读(163) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
air orifice
antiphon
Asparagus setaceous
awllike
banana republic
beersheba (beersheva)
biopsychical
brittle as glass
carburized case
circumferential joint
clear superiority
coal-cutter
coefficient of inertia
coherent topology
concurrent resolution
concurringly
conjure ... up
dieux
drawing on
dual-sided
egg layings
electric passenger car
end lap
expertocracy
fairy arrow
faolain
finite group
flame denitration
friloux
fruit catcher
glow conduction
golden formula
gymnorhinal
hemipelvis
high stump
hoisting-rope equalizer
house snake
iadbs
incongruous drag fold
irredeemability
kechene
laser ground mapper
Lewisian
livers
ludwigshaven
Man Ray
Managememessage
markbies
massic optical rotatory power
mismay
molle carcinoma
molybdenum(v) oxide
Monmouthshire
negative signal
NLSFUNC
numerical algorithm library
octadecenoic
order of a congruence
p-e
palaeanthropology
PCB
peritoneum serosal cyst
permeation theory
plusage
point-to-point communication
polynonanoylamide
pre-upset
presidental
principle of gluttony
probelike
pteraclis aesticola
radiant reflectance
rami palmaris nervi mediani
razor edges
referral reason
Rizaiyeh
saturatedcalomelelectrod
Scaliognathus
science citation index
segestas
set one's seal to
shifting cam shaft
spring floor
stream profile
streaming current
stroke of shear blade
sulphinide
support groups
syntonised
Syrbonian
taxaphobic
theater missile defence project
thratch
tolylene urea
tribenzylethyltin
underwithhold
urinary excretion
valuesubstitute
vasticardium angulatum
vegetational
video dialtone
yoked