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(69) / 评论(0) 分类 Scientific American(九)月

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(46) / 评论(0) 分类 英文名句短语

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(88) / 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(33) / 评论(0) 分类 阅读空间

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(44) / 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(44) / 评论(0) 分类 四六级写作指导
学英语单词
able to
acceptance inspection
adaptability of soil
adjudgers
aerophane
Bryanston
bug eye
Cagan's adaptive expectations model
Caribbean monk seal
celmira
class-a signal area
coinbox discriminating tone
comparative cases
compressed air tamper
connex
counter-treacle
Cuxac-d'Aude
D.Sch.Mus.
debyte
digital input basic
DM-20
documentation list
drive fast
due from consignor
eoc (end of cycle)
executive division
expansion-ring
foot reverting yin liver channel
fourchet
freeze preservation
full tide of pleasure
goldsize
grape-vine
Groove-Billed
harmonic SAR
heronries
hold up as an example
honeybunnies
horn feed antenna
in one's own person
inboard brakes
industrial monopoly capital
international certification
intrinsic birefringence
jalor
lines of vision
loss of hair
Macarao
Macfarlane, Mt.
Macrognathism
McCormick
metal cluster compound
multivirtual storage
naval support area
nonregistration
nonsicut
nucleus of solitary tract
off-the-gridder
owner's responsibility clause
password requestor
pempheris oualensis
pichtaro
power generation sysgem
preauricular
prestressed concrete wire
priolepis fallacincta
problem onset text
protection technique
pyrotherapeutic
raunch out
risk of odour
rovs
Scharnegoutum
Shallow streams make most din.
shipping articals
shoeboxful
significant dimensions
sillito
smack-head
solvent craze resistance
spiral-pointed tap
struxine
sweet face
take the weight off your feet
telegraph message switching equipment
the ft
the heresy of paraphrase
threepiled
tool-less
toxin
track idler wheel
Trans-Amadi
trawling-seining combination
two stages of a ferroelectric shift registor
uliginose
union territory
unit operation cost
unmajestically
voice answer back
white neutron diffraction
wind-storms
X-ray defectoscopy