[军] 激光炮弹

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(201) / 评论(0) 分类 VOA常速英语2008年(四月)

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发表于:2018-12-13 / 阅读(216) / 评论(0) 分类 美国加州科学教材California Science GK

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(194) / 评论(0) 分类 2013年VOA慢速英语(二)月

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(213) / 评论(0) 分类 2017年VOA慢速英语(七)月

在这个春暖花开的季节,很多人都想趁着假期开启一段属于自己的旅行。 话说,不知从何时起,人们开始认为旅行这个词听起来要比旅游fancy洋气很多,仿佛旅行是带着内心对自由和未知世界

发表于:2019-01-03 / 阅读(187) / 评论(0) 分类 英文语法词汇

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发表于:2019-01-10 / 阅读(239) / 评论(0) 分类 美国加州科学教材California Science GK

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发表于:2019-01-10 / 阅读(237) / 评论(0) 分类 美国加州科学教材California Science GK

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发表于:2019-01-10 / 阅读(209) / 评论(0) 分类 美国加州科学教材California Science GK

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发表于:2019-01-10 / 阅读(237) / 评论(0) 分类 美国加州科学教材California Science GK

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发表于:2019-01-10 / 阅读(229) / 评论(0) 分类 美国加州科学教材California Science GK

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发表于:2019-01-10 / 阅读(261) / 评论(0) 分类 美国加州科学教材California Science GK

[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be

发表于:2019-01-10 / 阅读(345) / 评论(0) 分类 北师大版高中英语模块10(选修)

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(256) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(228) / 评论(0) 分类 2012年VOA慢速英语(一)月

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(236) / 评论(0) 分类 VOA常速英语2007年(十一月)

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(217) / 评论(0) 分类 阅读空间

在备考雅思考试时,除了要多做练习之外,分析、总结并吸收之前的错题至关重要,但这个步骤却经常为大家所忽视。在做完了练习后,总结失分点,才能确保下次不会犯同样的错误,使成绩

发表于:2019-02-18 / 阅读(210) / 评论(0) 分类 雅思英语

在备考雅思听力考试时,除了要多做练习之外,分析、总结并吸收之前的错题至关重要,但这个步骤却经常为大家所忽视。在做完了雅思听力考试练习后,总结失分点,才能确保下次不会犯同

发表于:2019-02-19 / 阅读(225) / 评论(0) 分类 雅思英语

ROME, June 6 (Xinhua) -- Newly-promoted Serie A side Siena named Giuseppe Sannino as their new coach on Monday replacing new Juventus handler Antonio Conte. The 54-year-old was given a warm welcome by club president Massimo Mezzaroma despite of no co

发表于:2019-02-26 / 阅读(268) / 评论(0) 分类 英语新闻

LESSON 39 MY DOG DASH 第三十九课 我的狗的挫折 My little dog was once stolen from me. 我的狗曾经被偷过。 After being away for some months, he one day came back with a long string tied round his neck. 几个月以后的一天,它脖

发表于:2019-03-05 / 阅读(259) / 评论(0) 分类 英国语文第一册
学英语单词
a piece of string
Abital
ampoule
apparao
areche
attached pier
auricular systole
Barcelona chair
beife
beltline railway
bleed like a pig
boratoan
bored into
Buchia
canary-pox virus
channel image intensifier
chemicals measuring tank
chip thickness compression ratio
chirocaine
compound acacia powder
conciliable
contingency retention stock
conversion value
cross join
dayn
deflecting direction
Deltavirus
deposit premium company
Diapensia wardii
dibromodiphenylsilane
downy cheats
drum gudgeon
dynamic-balance
Faddeya, Zaliv
favor
fontrevault
gainsboroughs
gelatinized gasoline
gender-difference
grammatist
gross working capital
head mast
heat-exchanger pump
heave damping of cushion
Hm-1
hot ingot peeling machine
Hörstel
imparling
indomet(h)acin
James barberry
jungfraus
lammie
laterotergal
mercate
Mikun'
mixed high frequency component
Mongolian Plat.
moving-needle type
multi-tracks
negative tax plan
neurobasis chinensis chinensis
non-fluent
normal elastic modulus
onchocercid
patish
peel
performing-arts
peripatellar
Platinel
poly(1-butene)
post staging
potexviruses
primordial atmosphere
protaminkinase
qaswini
queue rule
rarefied plasma physics
recommended temperature ranges for heat treatment
satellite base data collection subsystem
scheduled exercise
schooping
sense of human
Shangxi Group
shipping condition
shovelloader
slake tank
spacecrafts
steel sheet edge folded
still target
strip repeater
surface active agent ad uvants
take in the waist of a dress
take one's life in one's hands
theater strategy
to wax
tortious liability
tru64
ultra-short wave device for eye
under-rate
wayang
yarn tester
Z-type butt joint