六角石棉垫圈

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(九)月

At the city of Baku on the side of the Caspian Sea there are so many oil-wells and so much oil that it seems to get into everything. 在里海边的巴库城有很多很多油田,出产大量的石油,似乎什么东西都沾上了石油。 You s

发表于:2018-12-28 / 阅读(158) / 评论(0) 分类 美国学生世界地理教材

85 、 弓锯床 hacksawingmachine 86 、 不平衡 imbalance 87 、 不含铁金属;非铁金属 non-ferrousmetal 88 、 不贯穿孔;闭孔;盲孔 blindhole 89 、 不贯穿鸠尾榫 lappeddov

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 英文名句短语

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. Today, we will tell about a plan to fight a leading killer of children in developing countries. We will tell about a new way to recogni

发表于:2019-01-11 / 阅读(169) / 评论(0) 分类 VOA慢速英语2009年(十一)月

California has an official animal, the grizzly bear, and a state bird, the California quail. It has an official grass, purple needle grass, and a state reptile, the desert tortoise. It even has an official song, a century-old tune called I Love You,

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 VOA标准英语2010年(七)月

Let's have a look at what's leading on our News today: And more than 100,000 people are expected to pack Flemington Racecourse for today's running of the Melbourne Cup. This year's cup is likely to be dominated by international runners with 11 overse

发表于:2019-01-19 / 阅读(151) / 评论(0) 分类 澳洲ABC新闻快递2014年

Each day, millions of tonnes of rubble go by truck to Bottle Lake Forest in Christchurch. Demolition companies are working seven days a week to demolish buildings in the CBD after the earthquakes caused so much damage. Cranes, bulldozers, excavators,

发表于:2019-01-27 / 阅读(161) / 评论(0) 分类 新西兰英语

美国一家公司日前开通月球邮政包裹递送业务,仅需460美元,人们有机会把对自己来说有纪念意义的物品寄到月球上.此项业务旨在为一个私人探月车发射计划进行筹款. 给月球上寄点啥好呢 AP:

发表于:2019-01-28 / 阅读(201) / 评论(0) 分类 双语趣听精彩世界

过去,曾有许多飞机和船只驶入百慕大三角地区后便神秘失踪,原因众说纷纭未有定论。最近,有科学家提出新理论,认为该区上空形成六边形的怪云,是令飞机和船只失事失踪的元凶。 Res

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 阅读空间

NBN Chief Mike Quigley is calling for calm over an asbestos scare of some of its roll-out sites. Several sites in New South Wales, Victoria and WA have been shut down. Telstra is hiring an extra 200 safety specialists to inspect all asbestos-related

发表于:2019-02-14 / 阅读(129) / 评论(0) 分类 澳洲ABC新闻快递2013年

第一部分、写作步骤 要求考生从正反两个方面来论证某一观点,如2000年6月四级作文、1996年6月四六级作文、1996年1月英语四六级作文。对这类题型,通常分为四个步骤来写: 第一段、文章开头

发表于:2019-02-25 / 阅读(204) / 评论(0) 分类 四六级写作指导

通过分析历年作文真题可以发现,cet/ target=_blank class=bule英语四六级作文的考试题型大概可以分为这5个方面:A、阐述主题题型、B、正反观点题型、C、英文信函题型、D、记叙文题型、E、图表题

发表于:2019-02-25 / 阅读(154) / 评论(0) 分类 四六级写作指导
学英语单词
a white - collar worker
acetyl sulfamethoxypyrazine
agent of microbic warfare
Almerian
american red squirrels
amount due from local banks
animal companion
Animal Farm
any man's money
area of horizontal contact
average rate of dividend
Baculoviridae
Baryan
Beaulon
blue heating
borocz
Brand Development Index
break a leg
bull nettle
cajun-french
cancel each other
canch
carst
cash receipt side
clevis-bolt
CMVS
Cuchillo-Có
dark frost
de-aerate
defendant in an infringement
demodulator probe
economic reconstitution
electrosensitive recording
extrapolation number
Ezek
faceworkers
facies marker
gasterohysterectomy
governor idle gear
group of symmetrics
half-course
high damage factor
home-owners
hydrogen lyase
kleene
labile pool
laser safety goggle
life rope
likhanov
local power supply
lump price
machine available time
magnetic discontinuity
Maintenance Texts
makes noise
mammalgia
material laboratory
Mauléon-d'Armagnac
Maxmo(Maksamaa)
Methanomicrobiaceae
microbiological
miniaturised
mire science
MMSDH
multisatellite operations control center
national interest
Neohorstia
nonexpensive
notice of delivery
pavannes
peace-prize
PN junction emitter
pressure link
raunitidine
response step
return difference
rhabd-
rift valley fevers
roman letterss
runnelled
s.h
scaffoldin
Scotized
scrophularias
secondary ion emission
seelyes
show me the ropes
Snowcem
software handshaking
specified route service notation
split-beam hologram
stupid-head
super plane
thryttene
too big
tropenzile
unboasted
universal seismograph
unselfish
waterhall
WNY
work package