圆弧齿圆柱蜗杆减速机

If you look up 'tea' in the first cookery book that comes to hand you will probably find that it is unmentioned; or at most you will find a few lines of sketchy instructions which give no ruling on several of the most important points. This is curiou

发表于:2018-11-29 / 阅读(265) / 评论(0) 分类 阅读空间

OliverJeffers生在澳大利亚西部,但成长于北爱尔兰的贝尔法斯特,现在纽约。是个插画师,也是个作家。从 2004 年至今,他在动画界获奖无数。他的画充满童真,有点淡淡的忧伤,但又有浓烈的

发表于:2018-12-06 / 阅读(175) / 评论(0) 分类 TOP50 初级英文绘本

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(142) / 评论(0) 分类 TED演讲教育篇

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 英语口语1+1

BB starts adding herbs into the batch Robert: What are those things you're putting in there? They look like little worms! BB: Actually, it's a kind of fungus... Robert: Fungus? I'm supposed to eat fungus? BB: Sure...It's called Winter Worm Summer Gra

发表于:2018-12-25 / 阅读(138) / 评论(0) 分类 Eztalk美语会话

Do you think that it might be better to extract them? 你是不是认为把牙齿拔掉会好些? Certainly not! Your condition isn't that severe. 当然不是,你的情况并不那么严重, Also, I'm sure that your teeth can be saved for many

发表于:2018-12-27 / 阅读(226) / 评论(0) 分类 口腔临床英语对话

The worm crawls on the ground. It crawls slowly. She watches it. She picks it up. It wiggles in her hand. She puts it in her mouth. It wiggles in her mouth. She takes it out of her mouth. She puts it back on the ground. It crawls into a hole.

发表于:2018-12-31 / 阅读(283) / 评论(0) 分类 儿童英语小故事

A computer worm is bad news Helen: Hello welcome to Real English from BBC Learning English. I'm Helen. Zo: 大家好,我是刘佳。 Helen: Today we're going to look at words and phrases that have recently become part of the English language. Zo: 地道英语

发表于:2019-01-02 / 阅读(193) / 评论(0) 分类 地道英语在线听

Scientists found a prehistoric ancestor of an arrow worm among a group of fossils at two national parks in Canada. The fossils were found in what is now British Columbia, but was once an ocean. The sea worm was 10 centimeters long and had 50 spines o

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 2017年VOA慢速英语(八)月

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi

发表于:2019-01-07 / 阅读(183) / 评论(0) 分类 六分钟英语

Why The World Isn't Close To Eradicating Guinea Worm ARI SHAPIRO, HOST: For the past few years, the world has been on the edge of one of the biggest medical triumphs of modern history. A global effort has nearly wiped out the Guinea worm, a horrific

发表于:2019-01-17 / 阅读(201) / 评论(0) 分类 2016年NPR美国国家公共电台8月

许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav

发表于:2019-01-17 / 阅读(171) / 评论(0) 分类 英语美文

By Gilbert da Costa Abuja 04 April 2008 The global campaign to eradicate the debilitating Guinea worm disease continues, with hopes for eliminating it by 2009. Four countries ended transmission of the disease in 2007. Gilbert da Costa attended a cere

发表于:2019-02-04 / 阅读(179) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要学的词是worm。 Worm, 是虫子的意思,用在电脑上,指的就是蠕虫病毒。四月一号愚人节,也是一种恶性电脑蠕虫病毒发作的日子。 Computer experts are watching warily as the Conficker worm strik

发表于:2019-02-05 / 阅读(156) / 评论(0) 分类 英语单词荟萃

Voice 1 Thank you for joining us for todays Spotlight. Im Rebekah Schipper Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 Hyaci

发表于:2019-02-14 / 阅读(136) / 评论(0) 分类 环球英语 Spotlight

And an idol, indeed, it is; or rather, in old times, its likeness was. Such an idol as that found in the secret groves of Queen Maachah in Judea; and for worshipping which, King Asa, her son, did depose her, and destroyed the idol, and burnt it for a

发表于:2019-02-17 / 阅读(261) / 评论(0) 分类 白鲸记

French architects are planning to build a water wheel hotel on the banks of the Seine, which resembles the London Eye but with room capsules that would rotate constantly. 法国的设计师们打算在塞纳河边建造一座水上摩天轮旅馆,其

发表于:2019-02-17 / 阅读(158) / 评论(0) 分类 阅读空间

BEIJING, Feb. 5 (Xinhua) -- China will make more efforts to reduce PM 2.5 pollutants, as well as other pollutants, a government official said Tuesday. A national obligatory target will be set to limit PM 2.5 emission, which is a fine particulate matt

发表于:2019-02-18 / 阅读(153) / 评论(0) 分类 英语新闻

BEIJING, Sep. 1 (Xinhuanet) -- A campaign is being launched across U.S. to help lovers of sugar drinks reduce their habit by the Center for Science in the Public Interest. This campaign is based on the findings of a new survey conducted by CDC (Cente

发表于:2019-02-18 / 阅读(191) / 评论(0) 分类 英语新闻

相信我们每个人都有被神曲洗脑的经历,这种感觉就是我们的大脑中总是不自觉的会响起一阵阵旋律,完全不受自我意识的控制。英文中有一个非常有意思的单词:earworm,直译过来就是耳朵虫。

发表于:2019-03-02 / 阅读(258) / 评论(0) 分类 卡卡课堂早餐英语
学英语单词
-ule
8 queens problem
admission temporaire
affinity adsorbent
agreeing
air traffic and volmet service
alcohplic strength
anolyte acidity
antipedagogic
aperiodic function
aquatic pollution
Arabien luster
asterina zanthoxyli
building occupancy
Buskerud
cake-house
Cenchrus incertus
cervical spinal cord
Cocos B.
coeswrench
cold neutron
cold short steel
dagged
DC exciter
decision support
diminutivity
domesticly
euphonizes
forced bonds
fragmentation ejection
fresia
gas-liquid chromatograph
genus melopsittacuss
goniotomy
gyutoes
hepatic cell carcinoma
high leverage point
ill health
Imreg-2
integrated radiant emittance
jump shot
knaggie
Korimann arch saver
letter quality printing
loactor
luminescences
magnification method
may just as well
metannephrine
mid-sagittal
mitsuko
molten salt reactor (MSR)
molybdate fertilizer
molybdenum wire
mortise
movable action
mud snake
multiped
neart girth
no further action
no-year
noise monitoring
normal cost
ophiopsila polyacantha
optically transparent vitreous carbon electrode
overhead ground wire
paint a picture
peak point
pm.s
polyclone
polynomial expansion
presnap
psittacosis virus
raster graphic
reciprocating engine
registered pharmacist
reinforced concrete structure regulations
rubble work
samler
saturninus
scaphocephalous
Schuler period
second antennae
secondgeneration
seed fibre
sienese
spermathecal tube
subsidiary ledger of material
surgeon apothecary
tabia
tapered-roller
tectonic stress field
terrace
terrestrial stress
Thatcherized
theory of leisure class
tip of infection thread
transaction on stock exchange
tuberculin tests
vv. costoaxillares
watering holes
zippable