外接圆直径

90 numbers words numbers amount count hundreds thousands millions dozen couple pair double triple quadruple first second third fourth add plus minus deduct multiply divide roughly approximately equal several phrases third time lucky have sixth sense

发表于:2018-11-27 / 阅读(318) / 评论(0) 分类 情景英语口语100主题

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(206) / 评论(0) 分类 有声英文阅读

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 双语有声阅读

Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢? A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

发表于:2018-12-13 / 阅读(193) / 评论(0) 分类 与美国小学生一起学英文第5册

发表于:2018-12-13 / 阅读(231) / 评论(0) 分类 Wee Sing Around the World

Pre-Listening Vocabulary pi (): the circumference of a circle divided by its diameter ratio: the relationship between two amounts circumference: the distance around an edge of a circular shape diameter: the line across the centre of a circle coincide

发表于:2018-12-28 / 阅读(166) / 评论(0) 分类 趣谈英语

图片1 circle n.圆周,圆形物,派系,循环 v. 围,环绕,盘旋 例句:I need experience to get a job, but without a job I can't get experienceit' s a vicious circle. 我得有经验才能找到工作,可是没有工作我就无法

发表于:2018-12-30 / 阅读(156) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(215) / 评论(0) 分类 突破英文词汇

algebra n. 代数 algorithm n. 运算法则 circumference n. 周长 curve n. 曲线 database n. 数据库 decimal adj/n. 十进制 diameter n. 直径 dimension n. 维 equation n. 方程式 facet vt. 刻画平面 geometry n. 几何学 graphic adj. 生动

发表于:2018-12-30 / 阅读(201) / 评论(0) 分类 80天攻克雅思核心词汇

Autobiography of Nobel Prize Winner: Roald Hoffmann I came to a happy Jewish family in dark days in Europe. On July 18, 1937 I was born in Zloczew, Poland. My family left Poland for Czechoslovakia in

发表于:2018-12-30 / 阅读(190) / 评论(0) 分类 英语沙龙2004全年合辑下

编者按: 如果你对当前中国那里所发生的种种感到兴趣,那么你便可说也活在中国;如果你对一本佳妙小说中的人物感到兴趣,你便是活在一批极有趣的人们中间;如果你能全神贯注地听点好

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 精美英文欣赏

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(189) / 评论(0) 分类 与美国小学生一起学英文第9册

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管? B:What size do you need? B:你需要什么型号的? A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(195) / 评论(0) 分类 职业技术英语口语

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(249) / 评论(0) 分类 购物英语对话

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(233) / 评论(0) 分类 购物-Shopping

GWEN IFILL:Finally tonight, the tale of a top-secret town with a top-secret mission and the women who made history there. Ray Suarez has our book conversation. RAY SUAREZ:During the mid-1940s, thousands of young women got offers of good-paying jobs w

发表于:2019-01-27 / 阅读(210) / 评论(0) 分类 PBS访谈娱乐系列

There is still no news about the 29 miners trapped in the Pike River coal mine. The company is still testing the air quality every half hour but it is still not safe to send in a rescue team. They are also drilling a hole 150mm diameter into the tunn

发表于:2019-01-31 / 阅读(177) / 评论(0) 分类 新西兰英语

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme(节目,计划), Im joined by Kate.

发表于:2019-02-05 / 阅读(215) / 评论(0) 分类 六分钟英语

The applause of listening senates to command, 欲赢得伸耳谛听的元老们的掌声, The threats of pain and ruin to despise, 痛苦和存亡的威胁全然不顾, To scatter plenty o'er a smiling land, 把富庶洒向风景明媚的大地,

发表于:2019-02-11 / 阅读(176) / 评论(0) 分类 美国语文第六册

Some abilities, of course, decrease with age. 当然,一些能力会随着年龄的增长而变差。 Those include abilities at tasks 这些包括完成 requiring physical strength and stamina, 需要体力和耐力, ambition, and the power of n

发表于:2019-02-14 / 阅读(162) / 评论(0) 分类 TED演讲科学篇
学英语单词
4-etllyl-2-picoline
Aarle
acid bronze alloy
attorneys-at-law
azimuth wander angle
bluewings
bone-seeking isotope
breakwater core
camera with ground glass focusing
candlewick
cataracta complicata
celeron
clock marker track
cold engine starting test
computer-aided learning model
crab-like
ctoss-fire technique
despatch delay
dicranum flagellare
diesel hammer pile driving frame
Disporopsis pernyi
dyeing rate
ease of ignition
exabit
experimental installation
fastraxes
fitting straight line
functional foreman
global structural resonance
Gusinoozersk
Hall element
heliotherapeutic
high background contamination
honour clause
hormone poisoning
in ten
infineon
klinsky
land-flood
logarithmic acoustic impedance
low-voc
LPRP
lyophil preservation
macroporous
magnetic-tooth transducer
magnetometric titration
market research
MCIA
meridian of cornea
Mitatib
motorist
mylontization
Nonalbuminuric
nondeserted
nonhormones
observable information
one-sided love
Ophiorrhiza filibracteolata
outgoing feeder
pertinently
Pertofrane
plutonate
pressure water cooled reactor
pseudodendrothrips mori
Rapperswil
raw material sites
red-backed squirrel monkey
regiocontrolled
rensburg
Resplen
Return to Zero
sanagapocken
sempervirens
servantage
shambolically
soces
sodium acid arseniate
sorbitise
spring-trip shank
stat padders
stern tube packing gland
Tassa Takorat
thelcticopis severa
thundereggs
timber cofferdam
tonation
tragicomically
transfer crane gate type
unacidified
ununtriums
us property
vortex bursting
West Wellow
west-east
window type current transformer
Yangsin
yerushalaim
yo-hah
yoichiro
yuckier
zirconium(iv) fluoride
zu chong-zhi