固体扩散法

[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(348) / 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(370) / 评论(0) 分类 大学英语精读第三册

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(279) / 评论(0) 分类 VOA2003(下)-农业与经济

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(279) / 评论(0) 分类 VOA标准英语2017年(二月)

North Korea Trying to Make Succession Look Solid North Korea's efforts to solidify Kim Jong Un as the communist nation's new supreme leader appear to be intensifying. North Korea's state-run media Tuesday released video of the new leader rallying tro

发表于:2018-12-16 / 阅读(224) / 评论(0) 分类 VOA标准英语2012年(一月)

245. The Twelfth Amendment, 1804. 245.1804年宪法第十二条修正案 Four presidential elections had now been held under the method provided by the Constitution. 此时,根据宪法提供的方法已经举行了四次总统选举, And that

发表于:2018-12-28 / 阅读(211) / 评论(0) 分类 美国学生历史

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(264) / 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(263) / 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(298) / 评论(0) 分类 王玉梅托福词汇配套MP3

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

发表于:2019-01-02 / 阅读(243) / 评论(0) 分类 英语语法 Grammar Girl

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(263) / 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(224) / 评论(0) 分类 GRE作文

This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres

发表于:2019-01-11 / 阅读(303) / 评论(0) 分类 VOA慢速英语2007年(七)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(340) / 评论(0) 分类 经济学人科技系列

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(269) / 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(292) / 评论(0) 分类 英语新闻

By David Gollust State Department 10 May 2007 U.S. Secretary of State Condoleezza Rice said Thursday the concentration of political power in the Kremlin under Russian President Vladimir Putin is troubling, though adding that Washington and Moscow are

发表于:2019-02-04 / 阅读(271) / 评论(0) 分类 2007年VOA标准英语(五月)

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(258) / 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(269) / 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(286) / 评论(0) 分类 英语新闻
学英语单词
AA
active touch
agri-business
allowable bearing stress for concrete foundation
applications standby
aspergillomarasmine
austrian schillings
auxiliary ballast
bacteriophagic
bathymetric chart
bayards
belt shifter fork
bench-mark
bethe-weizasaker cycle
box type balance
bunk feeder with chain conveyor
cabin environment
catalysize
cockade structure
constant volume air thermometer
copr(o)-
corklike
cried out for
cut-back nozzle
deep-submergence rescue vehicle
dragonette
draw-bar dynamometer
Dāltenganj
emergicenter
financial commentary
foreign corporation tax
Fortunearia sinensis
Forward Swap
gangan
gentisate
genus Hamamelis
gongadze
graminology
gravity effect
hambury
Heliasteridae
high frequency induction coil
history of water conservancy
Homah
intermediate-term financing
ionizing efficiency
kinematic viscosity scale
krystynas
lavender-blue
learner's permit
leukotoxin
Little Canada
logs-logs
Manawatu-Wanganui
marrow tumor
miller index
milling cutter tooth form
money with both hands
multigenus
munchin
Namib Des.
nepiology
Nike-X
Nixie light
non-linear isotherm
Observ.
owl trains
part cut-type open cut tunnel
pawn island
plebeian ism
Primula graminifolia
qingshu yiqi decoction
rear end
regio infraclavicularis
regrowth
Rejowiec
river lamprey
Roman mile
Rosularia
scaly habit
semasiographies
shakings
stability test(ing)
Sutyagin
synchronism check relay
tenth-floor
terebratulid
three month flow
topazion
track-mounted drilling jumbo
traction type dynamometer
true laurels
tuedays
unformalizable
unsitten
vector generation
voltage takeoff
whooping cranes
william hamilton
winding ratio
xmucane
ZIPRA, Zipra