天线旁瓣,天线副瓣, 天线旁瓣;天线副瓣

A Century of Memories (1920-1929) At the 1) dawn of the 1920's, America was clearly entering a new era, an era defined by a vast and complicated urban culture that would dominate the rest of the 20th

发表于:2018-11-28 / 阅读(264) / 评论(0) 分类 疯狂英语2003年

Anatomy of the Liver he anterior surface of the liver is triangular in shape, made of two lobes. The right lobe is the larger of the two, measuring 6 to 7 inches in length. The left lobe is 3 inches in length. Ligaments connect the upper surface of t

发表于:2018-12-12 / 阅读(90) / 评论(0) 分类 医学英语

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(三月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? How do you do a brain scan on a gorilla. Yeah, yeah, very carefully, right. He sleeps anywhere he wants to, too. But seriously, trying to do an MRI on a gorilla presen

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(三)月

14The Lord said to Moses, 2These are the regulations for the diseased person at the time of his ceremonial cleansing, when he is brought to the priest: 3The priest is to go outside the camp and examine him. If the person has been healed of his infec

发表于:2018-12-30 / 阅读(108) / 评论(0) 分类 利未记

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 简单慢速英语阅读

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 原版英语小短文

A schoolboy stole a book from one of his school-fellows,and brought it home to his mother.Instead of chastising him,she rather encouraged him in the deed.As time went by the boy,now grown up into a man,began to steal things of greater val

发表于:2019-01-07 / 阅读(82) / 评论(0) 分类 趣味英语

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Doctors prescribe Ritalin to hyperactive kids to calm them down and increase their attention span. And college kids have taken to using Ritalin to concentrate

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(七)月

Train乐队目前出过五张专辑,《Save Me San Francisco》无疑是最为成功的一张。专辑中这首《hey,soul sister》在billboard上面绵延了若干个月,歌迷们都不记得他在榜单上到底火了多久。 Hey, Soul Sist

发表于:2019-01-11 / 阅读(64) / 评论(0) 分类 天籁音乐

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

发表于:2019-01-20 / 阅读(114) / 评论(0) 分类 2017年Scientific American(三)月

15At the end of every seven years you must cancel debts. 2This is how it is to be done: Every creditor shall cancel the loan he has made to his fellow Israelite. He shall not require payment from his fellow Israelite or brother, because the Lord 's t

发表于:2019-01-26 / 阅读(116) / 评论(0) 分类 申命记

Just ten years ago, I sat across the desk from a doctor with a stethoscope. Yes, he said, there is a lesion in the left, upper lobe. You have a moderately advanced case I listened, stunned, as he continued, Youll have to give up work at once and go t

发表于:2019-01-28 / 阅读(70) / 评论(0) 分类 英语美文

52 海豚的自我意识 DATE=5-30-01 TITLE=SCIENCE REPORT - Dolphins' Self-Recognition BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 科技之光

Learning how to knit might not be at the top of your fall to-do list, but it should be. Not just for your grandmother anymore, knitting has a wide variety of benefits beyond having something comfy to wear/snuggle/give away at the end of the process. 学

发表于:2019-02-01 / 阅读(132) / 评论(0) 分类 实用英语

Train在2009年回归乐坛并发行了他们的最新专辑《 Save Me, San Francisco》。其中的《Hey, Soul Sister》以轻松的伴奏,活泼的旋律成了乐队有史以来最受欢迎的单曲,在Billboard榜单上也曾名列前三,还

发表于:2019-02-11 / 阅读(87) / 评论(0) 分类 影视英文歌曲

How You Spend Your 20s Will Define You 20几岁的人生轨迹会决定你的一生 Many 20-somethings believe they have all time in the world and how they spend their 20s doesn't matter. But they matter most. The foundation you build in your 20s wil

发表于:2019-02-18 / 阅读(69) / 评论(0) 分类 阅读空间

很多20几岁的年轻人觉得自己在这个世界上还有大把时间,怎么度过自己的20几岁无关紧要。但事实是,20几岁的人生轨迹非常重要。你在20几岁奠定下的人生基础将会决定你的一生。所以,认真

发表于:2019-02-19 / 阅读(72) / 评论(0) 分类 英语美文

Let's just look at something like, you know, 我们不妨看一个具体的问题 solving problems with making airlines safer. 比如如何让飞行变得更加安全 Yeah, I'm a million-mile flyer. 没错,我自己就经常要坐飞机 I do lots a

发表于:2019-03-04 / 阅读(107) / 评论(0) 分类 TED演讲教育篇

Because, you know, the one thing, one thing that you get with this disease, 因为有一样东西,得了这种病你会得到它 this one comes with a package, is you get a real sense of shame, 这是整套附送的,就是你会感到很羞耻 be

发表于:2019-03-04 / 阅读(143) / 评论(0) 分类 TED演讲教育篇
学英语单词
a george
Acronychia pedunculata
act of self-help
amado
asklent
athletic type
attractees
avenues
basal pinacoid
bernard montgomery
Betula pubescens
busbar with detachable collar
cadenas
calcium bichromate
California dewberry
cerinum
ceruloplasmins
Challapata
child cry
chloromatous leukemia
crack sealer
debranchers
DEPOLYMN
desqview
disamenities of economic growth
Disasteridae
dramatisations
ebonyi
Exploitation-forest
fault-controlled
ferric trichloride
field tent
flange machinery
gold-pans
heat-stable plant
high-LET
iatrogenic infection
ice-skated
intermittent manufacture
ion exchange cellulose paper
irreparable
isophane insulin suspension (nph)
leaky butter
lengthwise piling
lever locking
levotransposition
lobsteins
loose tube cable attenuation
low-back
lowerings
lyocystidia
Lyuk
macroinferences
mean-root-square error
mesosa kuntzeni
mistion
monarda fistulosas
mooring pattern
multiflue chimney
natural language interface
offset error
original horizontal stratification
oyvind
pea-soup
Petit-Bassam
polygynian
polypedon
polypifers
provinour
put someone to the wall
pyronaridine
rated VA
re-appraisal
retinotopic
rock-filled cribbing
S-expressions
salmeton
sea worm
short pulse laser
sidas
slow flag
sodium phosphate monobasic
Sorbus multijuga
special survey of inert gas system
spiny dogfish
steam blanket
stormbeaten
subaggregate
subcontractable
tail-up on a rope
Temoptol
threatning
thuliums
to a proverb
truncated decision function
ud (oud)
ultrasonic spectroscope
urgent priority
vena renaliss
wedge shaped clip
zastavas
zero-gravity switch