能动光学;主动光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(417) / 评论(0) 分类 疯狂英语2003年

[00:35.00]a/an [00:37.07]art.1.一(个) 2.任何一个 3.每,每一 [00:39.13]abandon [00:40.59]vt.1.抛弃 [00:42.06]abide [00:43.49]2.放弃. [00:44.93]ability [00:46.37]v.(by)坚持,遵守 [00:47.80]able [00:49.18]n.1.能力,智能 2.才能,才干

发表于:2018-11-30 / 阅读(290) / 评论(0) 分类 考研英语词汇2005

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(297) / 评论(0) 分类 英语语法 Grammar Girl

Unit 2 She looks active. [00:02.39]第二单元 她看起来活跃。 [00:04.78]Lesson 7 Just speak [00:07.01]第七课 刚才的谈话 [00:09.25]Who's this? [00:10.83]这个是谁? [00:12.41]My new friend in the art club. [00:14.29]我在艺术俱乐

发表于:2018-12-12 / 阅读(274) / 评论(0) 分类 人教版小学英语五年级

by Mignon Fogarty Today's topic is active voice versus passive voice. The podcast edition of this article was sponsored by GoToMeeting. With this meeting service, you can hold your meetings over the Internet and give presentations, product demos and

发表于:2018-12-15 / 阅读(267) / 评论(0) 分类 英语语法 Grammar Girl

Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a

发表于:2018-12-16 / 阅读(270) / 评论(0) 分类 2013年VOA慢速英语(六)月

The top American military officer, Admiral Mike Mullen, has taken a particularly active role in changing the U.S. approach to Afghanistan, contributing to the new strategy, choosing the new commander for U.S. and NATO forces, and deciding to replace

发表于:2018-12-16 / 阅读(246) / 评论(0) 分类 VOA标准英语2009年(六月)

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(262) / 评论(0) 分类 走进剑桥大学

Iranian President Mahmoud Ahmadinejad's visit to Istanbul last week is seen as part of Ankara's increasingly active role in the Middle East, after decades of passivity in the region. At the same time, some analysts say, Turkey's ties to the West are

发表于:2019-01-13 / 阅读(335) / 评论(0) 分类 VOA标准英语2008年(八月)

World Health Day Focuses On 'Active Aging' Shelby Harris just celebrated his 111th birthday. His secret? I try to live the right kind of life, he said. I try to live the truth, I love everybody and I want everybody to love me. Some experts say a posi

发表于:2019-01-13 / 阅读(267) / 评论(0) 分类 VOA标准英语2012年(四月)

Active MRI Shows How Joints Work 活动核磁共振成像显示身体关节如何运作 Since its introduction in the 1980s, magnetic resonance imaging machines, commonly known as MRI scanners, have become a highly valuable tool in diagnostic medicin

发表于:2019-01-14 / 阅读(255) / 评论(0) 分类 VOA标准英语2014年(三月)

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(378) / 评论(0) 分类 自然百科2011年

LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

发表于:2019-01-30 / 阅读(313) / 评论(0) 分类 英语新闻

SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

发表于:2019-01-30 / 阅读(311) / 评论(0) 分类 英语新闻

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-05 / 阅读(319) / 评论(0) 分类 英语每日一词

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(279) / 评论(0) 分类 实用英语

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-16 / 阅读(219) / 评论(0) 分类 英语单词荟萃
学英语单词
abstract and epitome of title
Ahoah
aldehydic hydrogen
alienability of property
amount of magensium applied
antipalus kochi
at work upon
attributable risk
benanti
betrustments
bott-hammer
broadwells
carotenals
cemadotin
center ring
chromatic dipping sheet
chum up with
coccygectomies
compatible computer
Cross River State
cut somebody some slack
dambe
demand segmentation
development of peat land
dicotyledonous tree
Digital Data Storage
digital magnetic tape
disciplinary sciences
double bounce
early-migrating
ethyl isovalerate
eucalypti
eukinesis
euplectellas
family Cynocephalidae
ferro-concrete(reinforced concrete)
find ... way
first - name basis
fissile (fuel) inventory
frogmouth
front screed
high speed dyeing machine
high-speed circuit-breaker
humid room
International Shipping Market
intestinal adenomatosis
iwg
karhunen-loeve expansion
laid, relaid and parlayed
lightning conductors
loan for conversion of exchequer bond
loggish
Lojbanistan
loose women
Luremo
math function
Mendasmin
microinstruction sequence
mixed inhibition
monohalogenation
mytilidaes
netoric acid
non-metallic type optical cable
normalin (phillipsite)
o'clockish
oil-quenched
oxychlordane
paddle wheel current meter
penjing flower bed
penwomanship
pharyngeal cleft
powder your nose
r-n.y
regulatory limit
rhaphium relatus
rice store
ring something up
rites and ceremonies
scarp slop
schuhart
SCTT
self-driving car
self-other
sideswipes
starting-point of the limitation
steam bending stress
sterile tip
stirrer (agitator)
superintendent of customs
swifterly
tanf
thermal aberration
TO them
Trail your coat
triangular window
unconvenanted
unepithelialized
uranium(v) methoxide
Villanueva de la Vera
warnel
wax polisher
zero state