硼箱扩散;箱式硼扩散

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7

发表于:2018-11-30 / 阅读(152) / 评论(0) 分类 历年考研英语完型填空

Text Alvin Toffler writes about the fact that technology is advancing much faster today than ever before in history. The symbols of technology are no longer factory smokestacks or assembly lines. As we are headed for the future, the pace will quicken

发表于:2018-12-04 / 阅读(129) / 评论(0) 分类 大学英语精读第三册

By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para

发表于:2018-12-08 / 阅读(106) / 评论(0) 分类 VOA2004(下)--健康科技

Millions of smallholder farmers in South and Southeast Asia are attempting to diversify beyond staple crops to increase their incomes, nutrition, and resilience in response to climate change and shifting market demand. Although they are potentially s

发表于:2018-12-08 / 阅读(111) / 评论(0) 分类 VOA标准英语2017年(二月)

RACHEL MARTIN, HOST: The Apollo 11 capsule took astronauts to the first moon landing and back. It is now a priceless museum artifact. Later this year, it'll go on tour around the country for the first time in over 40 years. NPR's Nell Greenfieldboyce

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 2017年NPR美国国家公共电台6月

29. Boas felt that the culture of any society must be understood as the result of a unique history and not as one of many cultures belonging to a broader evolutionary stage or type of culture. 【分析】复合句。句子主干是Boas felt that。t

发表于:2018-12-30 / 阅读(90) / 评论(0) 分类 考研英语长难句讲解

30. Some attributed virtually every important cultural achievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures. 【分析】复合句。句子主干包含 attribute...to...结构

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 考研英语长难句讲解

词条 含义 近义 further vt. 促进,增进 advance adj. 更多的,另外的 additional , extra fuse v. 熔合 combine , blend fused adj. 熔合在一起的 fusion n. 核聚变 n. 熔化;联合

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 王玉梅托福词汇配套MP3

New Report Shares Secrets of Rare Blue Diamonds History The Hope Diamond is one of the worlds most famous jewels. It was in the possession of a series of people: kings, bankers, rich women and thieves, before its arrival 60 years ago at the Smithsoni

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 2018年VOA慢速英语(八)月

在GRE写作中,全球化的概念考查非常高频,而且全球化的概念和影响在其他类型(例如科技、教育、政治以及文化类话题中也高频被调用),因此面对这个高频的主题素材,特为所有同学补充全球

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 GRE英语

Dante (Alighieri) 1265 -- 1321 The Italian poet Dante Alighieri wrote The Divine Comedy, the greatest poetic composition of the Christian Middle Ages and the first masterpiece of world literature written in a modern European vernacular. Dante lived i

发表于:2019-01-08 / 阅读(57) / 评论(0) 分类 GRE作文

Researchers have developed a long-lasting capsule that, when swallowed, slowly releases medicine into the body. The researchers say the capsule was developed for treatment of the disease malaria. But they believe it could hold medicines for a number

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2016年VOA慢速英语(十二)月

SpaceX Capsule Docks with ISS SpaceX's Dragon capsule made history when it approached the International Space Station, becoming the first private spacecraft ever to do so. The robotic capsule free floated 10 meters away from the orbiting lab, and the

发表于:2019-01-13 / 阅读(81) / 评论(0) 分类 VOA标准英语2012年(五月)

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(138) / 评论(0) 分类 经济学人科技系列

VOA,VOA标准英语,Washington,NASA,capsule,By David McAlary Washington 15 January 2006 Tom Duxbury, Stardust Project Manager for NASA's Jet Propulsion Lab, answers questions during a news conference after the landing of the Stardust capsule A

发表于:2019-01-31 / 阅读(139) / 评论(0) 分类 2006年VOA标准英语(一月)

GRE频道在此与大家分享新东方北京学校GRE名师韩冰老师为大家带来的有关on the contrary的讲解。 似乎 on the contrary 掀起了一阵轩然大波,很多小伙伴都过来问我,老师on the contrary 到底想怎么样,

发表于:2019-02-01 / 阅读(105) / 评论(0) 分类 GRE英语

Beijing will experience five days of poor air quality partly caused by heating systems being turned on, officials announced on Tuesday. 有关官员在周二表示,由于冬季供暖开始,未来5天北京的空气质量将比较差。 Pollution

发表于:2019-02-03 / 阅读(118) / 评论(0) 分类 英语新闻

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(100) / 评论(0) 分类 实用英语

Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o

发表于:2019-02-15 / 阅读(85) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(64) / 评论(0) 分类 英语新闻
学英语单词
A pretty business!
apophysis mamillaris
Atlantium
baaths
banquet room
be pleased
bed-linen
black-bean
bone cutter
borough(s)
Centaurus X-3
conjugato-
convertibility
costing and pricing policies
cubical churn
death of a salesman
determination of volume by means of height-classes
diervillas
diffusion junction
digital radio system
disamatic molding machine
disperser
double quirk-head
engraving steel
estee
Evodia rutaecarpa Benth.var.officinalis
examination of sanitary water
external (thermal) efficiency
fatsias
fieldboots
Foxe
fully automatic coordianted traffic regulation
functional headache
give a good example
globocephalus urosubulatus
hawdod
heat resisting fabric
herald patch
high level graphical programming language
high security prison
high speed hydraulic hammer
hopes are fading
hot cylinder setting
houseboy
Hypericum calycinum
INCSEA
information theory!
krause rolling mill
laforza
Leptospira Noguchi
letter-collections
line of fortune
liquorous
long-time trend
low head injection
massive hepatic necrosis
measuring and weighing room
Merseyside
miagrate
microprobe analyzer
military aeroplane
negotiable instruments
nfcc
normal indication relay
omentum graft
orr sommerfeld equation
out in the sticks
outersphere complex
pal(a)eoalgology
paleohydrologists
passerinum
patriot day
permanent set
plane of nutrition
polycrystal alumina
postural ischemia
powneys
pre-insulated connection
prevail'd
print start
protonine
psalm tone
recessus membran? tympani anterior
regulation of capital
runrounds
securities act
tabulated value
tamao
thinning weight
to piss
tracking cursor
two-subject
unholy water
vapour testing apparatus
visual Herschel effect
Vohimena
welding metal cracking
wildbore
windows are protected
Yoshida Isoya
zero static error loop
zincation