石英透镜

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(613) / 评论(0) 分类 2018年VOA慢速英语(二)月

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(205) / 评论(0) 分类 2011年VOA慢速英语(六)月

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(203) / 评论(0) 分类 侏罗纪搏击俱乐部

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(455) / 评论(0) 分类 2018年VOA慢速英语(三)月

Robots have at least one unfair advantage over human workers: they do not pay income tax. 与人类劳动者相比,机器人至少有一个不公平的优势:不用缴所得税。 Bill Gates, co-founder of Microsoft and the worlds richest man, th

发表于:2019-01-07 / 阅读(206) / 评论(0) 分类 英语新闻

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(213) / 评论(0) 分类 2011年VOA慢速英语(六)月

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(179) / 评论(0) 分类 TED演讲教育篇

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(214) / 评论(0) 分类 实用英语

JUDY WOODRUFF: And now to a second tech story, this about the public launch of Twitter.The social media giant announced late yesterday that it plans to raise $1 billion by offering shares soon through what's called an IPO. Started just seven years ag

发表于:2019-01-22 / 阅读(206) / 评论(0) 分类 PBS访谈商业系列

What? No, don't put me on hold. on hold:等着通电话 什么? 别啊,别让我再等了。 -Howard:Do you believe him? 能相信吗? Normally around women, he has the personality of a boiled potato. Normally:通常 personality:个性 bo

发表于:2019-01-28 / 阅读(201) / 评论(0) 分类 生活大爆炸第二季

It didnt take long for the Brazilians to rewrite the norms of Olympic fandom. 巴西人没用几天就改写了奥运会观赛规则。 The list of Olympic participants targeted by Brazilian boos is long and varied: Russians, due to its doping scanda

发表于:2019-02-01 / 阅读(205) / 评论(0) 分类 趣味英语

Fashion trends keep changing. Every season designers seem to enjoy surprising people with something new. 时尚潮流千变万化。每到新的一季,设计师们似乎都热衷于用新鲜事物惊艳我们的眼球。 This spring is no exception

发表于:2019-02-01 / 阅读(225) / 评论(0) 分类 阅读空间

Theres a zillion characters in Game of Thrones, even after a bunch of them have been brutally bumped off. But among the likes of Tyrion, Bran, Dany, and pals, whos really the main character? A team of mathematicians used a power far beyond Melisandre

发表于:2019-02-07 / 阅读(197) / 评论(0) 分类 阅读空间

You know I don't need you You know I don't need your hell If you going give me something Well give me something I can't give myself Oh, don't want your money Don't want your rolodex of friends Already have me a daddy Take a new picture for your portr

发表于:2019-02-09 / 阅读(305) / 评论(0) 分类 音乐咖啡厅

Aquamarine 海蓝宝,兰玉 Garden Crystal 绿幽灵 Azurite 兰铜矿 Aventurine 砂金水晶 Amethyst 紫水晶 Ametrine 紫黄晶 Amber 琥珀 Emerald 翠玉 Onyx 黑玛瑙 Opal 蛋白石 Obsidian 黑耀石 Carnelian 红玉髓 Calcite 方解石

发表于:2019-02-13 / 阅读(216) / 评论(0) 分类 实用英语

I have noted that the healthy release of emotion is frequently very unhealthy for those closest to you. Mr. Spock 我已经注意到,对自身有益的情感宣泄常常会伤及周围的亲人。斯波克 Ignoring the often sage advice of the grea

发表于:2019-02-18 / 阅读(174) / 评论(0) 分类 阅读空间

At 3,000 feet, their little porthole was subjected to nineteen tons of pressure per square inch. 到了900米,小舷窗受到的压力高达每平方厘米2.95吨。 Death at such a depth would have been instantaneous, as Beebe never failed to obse

发表于:2019-02-25 / 阅读(215) / 评论(0) 分类 万物简史

Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light

发表于:2019-02-25 / 阅读(191) / 评论(0) 分类 双语有声阅读

Swiss watches and the Apple Watch 瑞士手表与苹果手表 It's not about time 这和看时间没有关系 Traditional watchmakers are confident they can see off Apple's new bauble 传统手表制造商有信心看到苹果华而不实的新玩意儿

发表于:2019-02-25 / 阅读(184) / 评论(0) 分类 经济学人商业系列

George Daniels 手握乾坤:制表大师乔治丹尼尔斯 George Daniels, master watchmaker, died on October 21st, aged 85 近250年来最伟大的制表师乔治丹尼尔斯(George Daniels)于10月21日去世,享年85岁。 A SCHOOLBOY once

发表于:2019-02-25 / 阅读(214) / 评论(0) 分类 经济学人综合
学英语单词
a fair field and no favour
affor
altimetric compensation
argon-argon dating
aspire
auras
azeotropic agent
big mommas
blind approach beam system
bthes
bud of promise
cabezon de cameros
cellular-telephone
chromospherically active star
compensatory movements
cowboyish
crystal-tipped
dacryophlegmon
departmentize
Duas Barras, Cachoeira
effronteries
emel
envieth
esterolysis
fertilizer machinery
field ditch system
frame-maker
frequency modulation Doppler
fuel storage
functional configuration item
fungible goods
gwaine
hired on
historical sense
hoenggan-do (hwengan to)
horn feed system
hybrid incremental inductance matrix
imagetools
inductance potential divider
informed decisions
interstratified
ion implantaion
jafar
Jinake
johnno
light liquid hoisting
light shade
lighting tube
long shank blade root
Lord Tennyson
magnetic abnormal detection
me.i
mercurial ointments
method of customs clearance
methyl fluophosphonic acid pinacol ester
mixed mesenchymoma
multi-cylinder engine
multidimensional spectrum
Myuroclada
non-real
nonscourable
nose chine
pancreatic acne
pediplain,pediplane
performance calculation and monitoring system
phenophase
photometer bench
plunge feed shaving cutter
pocard
prinicipal
pseudo critical constant
pumping (optical)
raising-and-depression
rhumb sailing
roughout
Scherbius
Schlern wind
scoop and run
second messenger hypothesis
serve out a match
sitter-in
soak section
spot application
spots-on
stereotape
system loss curve
systematic order
tailends
telemetric data receiver
terminal stria
tomato pulper
trangrams
unbeclogged
universal transverse mercator projection (utm projection)
up the stairs
user job
Valuyskiy Rayon
vertical mold
VHF direction finding
vibrating board
voice/data group call
wrong position