引导发现法

By Paul Sisco Washington 30 May 2008 Saturday's shuttle mission to the International Space Station can come none too soon for station crew members. A broken toilet has had them using a backup system, and they need a new pump mechanism. The crew of th

发表于:2018-12-08 / 阅读(63) / 评论(0) 分类 VOA标准英语2008年(五月)

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发表于:2018-12-13 / 阅读(113) / 评论(0) 分类 美国加州科学教材California Science GK

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(70) / 评论(0) 分类 英文语法词汇

1. Amid tensions over North Korean nuclear tests, the U.S. dispatched a top-of-the-line guided missile destroyer to Japan. The USS Mustin is equipped with sensitive missile-tracking radar . The warshi

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 美联社新闻一分钟2006

超声成像 ultrasonic imaging 实时成像 real-time imaging 灰阶显示 gray scale display 彩阶显示 color scale display 经颅多普勒 transcranial doppler 彩色多普勒血流显像 color doppler flow imaging 彩色血流造影 color flow

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 医学英语

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发表于:2019-01-10 / 阅读(131) / 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(125) / 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(102) / 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(118) / 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(115) / 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(158) / 评论(0) 分类 美国加州科学教材California Science GK

Conversations Find Lost Memories 交谈可以找回失去的记忆 From VOA Learning English, this is the Health Report. Imagine forgetting everything you have ever done in life jobs you held, a marriage you built, the children you raised, your frien

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2014年VOA慢速英语(七)月

AS IT IS 2015-10-06 Western Nations Criticize Russias Air Campaign in Syria 西方国家批评俄罗斯在叙利亚的空袭行动 Western countries are strongly criticizing Russia for the type of bombs it is reportedly using to strike Syria. 西方国

发表于:2019-01-12 / 阅读(106) / 评论(0) 分类 2015年VOA慢速英语(十)月

The U.S. space shuttle(航天飞机) Discovery has docked at the International Space Station on its final voyage into outer space. The shuttle paused on its way to the orbiting outpost Saturday to perform a 360 degree backflip(后翻滚), a m

发表于:2019-02-05 / 阅读(86) / 评论(0) 分类 英语新闻

WASHINGTON, March 9 (Xinhua) -- U.S. space shuttle Discovery landed safely at the Kennedy Space Center in Florida on Wednesday, ending its nearly 27-year flying career as the world's most- traveled spaceship(宇宙飞船). According to NASA, Disc

发表于:2019-02-18 / 阅读(73) / 评论(0) 分类 英语新闻

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(82) / 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(106) / 评论(0) 分类 雅思英语

下面是2014年英语四级作文范文:挫折教育,希望考生了解四级范文的写作思路,增强自己的写作实力。 作文话题: Directions: For this part, you are allowed 30 minutes to write a composition on the topic Frustra

发表于:2019-02-25 / 阅读(73) / 评论(0) 分类 四六级写作指导

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(128) / 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(143) / 评论(0) 分类 英国语文第一册
学英语单词
acailable
active autofocusing
acuminate papular syphilid
Alguaire
Allantion
anchoring of stonework
antiprogestogen
arncott
Aroland
asperity
auxiliary minelayer
b. m. thyreohyoidei
back propagation
bacteriotoxemia
be all the fashion
Berl saddle (packing)
bran disease
bridal-wreaths
bush peas
cambered plate
centrosphere(strasburger 1893)
chaetodon auripes
compensated wattmeter
computer aided scheduling
condition of stock
cortex acanthopanacis radicis
current amplifier tube
Decaesadril
detection capability
devicenet
distribution channel system
enzym(at)ic browning
equivalence zone
fetal heart monitor
fission product retention properties
floating-crane pontoon
flow of communication and control
fora
fulcrum flat holder
glisses
greener
guanidinoacetase
harmonium
heating load diagram
Helicia pyrrhobotrya
hounsis
hydroids
hypermajority
in deficit
isolation location
lateral nasal process
linenger
linredoxin
lumphead
Madison, James
make an attack upon
manned attitude control
maryland-baltimore
mid-air collision
minimum wage
monocaryogamous
multi-drilling machine
multiple units
nanosomic
Neanotis kwangtungensis
Nipkow disk
once-pristine
overwelter
parting-off tool
phallaneurysm
pictoris
pivalates
plant phylembryogenesis
plunger gear
PM (pulse modulation)
polynomial time reduction
present incidence
PWA,P.W.A.
range ambiguity
ranged
reciprocation type steering gear
rubbing stone
semipurified
steady supply
stratum corneum epidermidis
the Frankfurt Interbank Offered Rate
the un security council
thws
TNF-beta
to fall over board
transistorized television camera
Udex process
ultrastability
uncoiling machine
unforsaking
UniqueWare
unsymmetric balance
vanishing ground
vectocardiograph
vehicle dynamic quality
waymb
zhuche pills