球面透镜精加工设备

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(372) / 评论(0) 分类 大学英语精读第四册

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(609) / 评论(0) 分类 2018年VOA慢速英语(二)月

1975 、 双圆头锤 blockinghammer 1976 、 双极面结型晶体管 bipolarjunctiontransistor 1977 、 双线规;榫规 mortisegauge 1978 、 双头砂轮机 double-endedgrinder 1979 、 双头螺栓

发表于:2018-12-08 / 阅读(191) / 评论(0) 分类 英文名句短语

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(208) / 评论(0) 分类 万花筒2006年

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(203) / 评论(0) 分类 2011年VOA慢速英语(六)月

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2018-12-18 / 阅读(185) / 评论(0) 分类 英文语法词汇

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: some pronunciation rules to help make your speech sound more natural. RS: Back with us from Los Angeles is Nina Weinstein, author of the English teaching book Whaddaya Say? Guided

发表于:2018-12-30 / 阅读(191) / 评论(0) 分类 词汇大师(Wordmaster)

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(447) / 评论(0) 分类 2018年VOA慢速英语(三)月

295 、 可逆过程 reversibleprocess 296 、 可压缩性 compressibility 297 、 可变电阻 variableresistor 298 、 四分仪 quadrant 299 、 四爪夹头 four-jawindependentchuck 300 、 四圆心

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 英文名句短语

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(237) / 评论(0) 分类 CNN2010年(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(218) / 评论(0) 分类 Scientific American(一)月

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(254) / 评论(0) 分类 Scientific American(一)月

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(210) / 评论(0) 分类 2011年VOA慢速英语(六)月

An unfamiliar piece of equipment 不熟悉的设备 A: I haven't seen this machine before. What's it used for? A:我以前从来没有见过这个机器。它做什么用的? B:It's a really useful piece of equipment. It's for smoothing rough edges

发表于:2019-01-14 / 阅读(184) / 评论(0) 分类 职业技术英语口语

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且,这还是件很有影响力的事

发表于:2019-01-18 / 阅读(198) / 评论(0) 分类 TED演讲娱乐篇

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: some pronunciation rules to help make your speech sound more natural. RS: Back with us from Los Angeles is Nina Weinstein, author of the English teaching book Whaddaya Say? Guided

发表于:2019-01-25 / 阅读(183) / 评论(0) 分类 词汇大师(Wordmaster)

每年,《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦! 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

发表于:2019-02-01 / 阅读(280) / 评论(0) 分类 阅读空间

眼镜专业术语单词 Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kids eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Glass optical lense

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 英文语法词汇

For one thing, if this was just the Ebbinghaus effect, 首先,如果真是艾宾浩斯效应, then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(231) / 评论(0) 分类 TED演讲教育篇

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2019-02-13 / 阅读(190) / 评论(0) 分类 实用英语
学英语单词
Acysty
Al Jibāl
amberite
aminoacetal
anandamides
anonymizing
asyo
austrian assessment method
backward busying signal
be killed outright
beinhorn
bratfisch
case-knife
center bypass valve
cents-less accounting
charging material
coexistence of different processing mode
concordant pluton
congenially
continuous integration
countercyclical
crux ansata
curved valley function
cyclononanone
deaf-mutenesses
device structures and technology
discrete differential equation model
ductulus deferens
elevation prediction correction
epitoniids
equatable
experiemntal
feuille
flaily
floating-point number
free-base
fusulinid
hatom? bushi (okinawa)
hippocampus histrix
Hohenwarth
intermolecular attraction
liquid transfer cooler
lobotomized
loomes
lowenherz thread
LRG (long-range)
Lucas' sign
mandvi
metamorphic
Mileura
misgendered
MS (moisture separator)
nacareniobsite- (ce)
oblong cell
Oselce
overcoat
overrating voltage
oyster extract
oyu
peekaboo bras
pesos
Phyllanthus fimbricalyx
posterdesign
pretermitted heir
process-hear reactor
put someone to great expense
puzzly
quell a riot
Remtal
resuscita-
rights of succeed
science centers
security body
shell-like
shut cock
sinus of mediastinum
skin in the game
stylesetter
synaptic frequency
syntactic distance
synthetic warrant
tail wheel landing gear
temperature surveying
thioamide
throat-pressure
Traube's membrane
trickle irrigation
trimming data
tyre-valve cap
underwater window
unlock signal
unsharp mask
Veronica himalensis
Virginia and Kentucky Resolutions
wave energy loss
Weltmann's serum test
whatever will be
white sponge nevus
wick lubrication
yes, but ...
yunnanfu
Zhou Zuoren