[机] 齿根圆弧中心圆直径

情景英语口语100主题 090numbers数字

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(258) / 评论(0)

情景英语口语100主题

新版剑桥少儿英语第一册 (下)word2

cat catch center chair change cheek chicken child children circle class classroom clean climb clock cloth cloud coffee color come computer cook corner count cow crocodile cross cup cupboard cut d dance dark day desk dig dinning dirty dislike do does

发表于:2018-11-30 / 阅读(185) / 评论(0)

新版剑桥少儿英语第一册 (下)

有声英文阅读-月球

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(160) / 评论(0)

有声英文阅读

双语有声阅读:The Moon 月球

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(110) / 评论(0)

双语有声阅读

与美国小学生一起学英文第5册第26期:25分硬币

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(129) / 评论(0)

与美国小学生一起学英文第5册

唱唱跳跳学美语CD1 02 Make a Circle

Timetomakeacircle.( Everyonerushestothecenteroftheroomandholdshandsinacircle. ) Makeacircle,bigbigbig.( Makethecirclebigger. )  Smallsmallsmall.( Makethecirclesmaller. )  Bigbigbig.( Makethecirclebigger. )  Makeacircle,smallsmallsmall.( Makethe

发表于:2018-12-13 / 阅读(157) / 评论(0)

Super Simple Songs 唱唱跳跳学美语

用听的背单词-基础2000MP3(CD-16)

city 城市 cigar 雪茄 cigarette 香烟 circle 圆圈 circular 圆形的

发表于:2018-12-16 / 阅读(174) / 评论(0)

用听的背单词-基础2000MP3(a-g)

旅游英语口语就该这么说:第112期乘坐其他交通工具乘地铁

Which train do I take to the Fifth Circle? 到五环我应该坐哪一列车？ Take the uptown C train and get off at the sixth station. 坐开往郊区的C线列车，在第六站下车。 Where can I get the train? 我在哪里可以坐到车呢？

发表于:2018-12-27 / 阅读(118) / 评论(0)

旅游英语口语就该这么说

【趣谈英语】爱因斯坦诞生于圆周率日-Einstein Was Born On Pi Day

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(129) / 评论(0)

趣谈英语

漫画搞定六级词汇(音频+文本) 第101期

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(109) / 评论(0)

漫画搞定六级词汇（文本+音频）

【突破英文词汇】circum -- round 周围

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(158) / 评论(0)

突破英文词汇

80天攻克雅思核心词汇-26

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(167) / 评论(0)

80天攻克雅思核心词汇

与美国小学生一起学英文第9册第25期:直径

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(125) / 评论(0)

与美国小学生一起学英文第9册

VOA慢速英语20060215b

EXPLORATIONS - Styrofoam Stonehenge: A Full-Size Copy in a Search for Long-Lost AnswersBy Jerilyn Watson Broadcast: Wednesday, February 15, 2006 (MUSIC) VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'

发表于:2019-01-16 / 阅读(160) / 评论(0)

2006年慢速英语（二）月

【英语时差8,16】如何得知地球在24小时之类自转一周的呢？-上

The earth turns on its axis every 24 hours-or so were taught. But, before we had pictures from space, how would we prove it to someone? The rising and setting of the sun and stars in the sky provide pretty strong evidence, but not absolute proof, sin

发表于:2019-01-22 / 阅读(106) / 评论(0)

英语时差8，16

体育词汇—足球场地名称篇field

发表于:2019-01-30 / 阅读(141) / 评论(0)

奥运英语

新西兰英语 368 Miners still trapped

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(140) / 评论(0)

新西兰英语

【英语时差8,16】向心力与头晕-下

A force is required for an object to move in a circle, as is the case with a merry-go-round. This force is called a centripetal force. Generally speaking, the larger the circle you move in, the greater the centripetal force you experience.So, the far

发表于:2019-02-15 / 阅读(129) / 评论(0)

英语时差8，16

China launches emergency response in face of typhoon

BEIJING, Aug. 6 (Xinhua) -- China has initiated an emergency response and early-warning plan for disaster relief in order to cope with the severity of typhoon Haikui, according to a circular issued by the National Commission for Disaster Reduction on

发表于:2019-02-19 / 阅读(114) / 评论(0)

英语新闻

行业英语：足球术语怎么说

很多球迷朋友对咱们国足是由爱生恨，看得心焦。想在网络上看看国外的球赛又听不懂老外的球评。其实，只要你掌握了这些足球术语，听转播也能猜个八九不离十了。场地名称篇 field / pit

发表于:2019-02-20 / 阅读(181) / 评论(0)

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aciquel

adjustable foot screw