电极节圆直径

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(197) / 评论(0)

情景英语口语100主题

用Mp3背六级单词044

morality influence undertake bonus excess vault pudding howl move thigh enterprise icy melody tribute intelligible hurl cavity portray cordial conscientious quantify electrode nose cite

发表于:2018-12-01 / 阅读(129) / 评论(0)

用Mp3背六级单词

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(132) / 评论(0)

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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(91) / 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(56) / 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(70) / 评论(0)

与美国小学生一起学英文第5册

英语歌曲:Circle Game

发表于:2018-12-13 / 阅读(92) / 评论(0)

Wee Sing Around the World

发现可以给手机充电的细菌

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(102) / 评论(0)

有声杂志阅读

【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(74) / 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(53) / 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(99) / 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(106) / 评论(0)

80天攻克雅思核心词汇

2010年麻省理工学院清洁能源奖揭晓(有声)

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(299) / 评论(0)

60秒科学

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(105) / 评论(0)

Scientific American(八)月

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(65) / 评论(0)

与美国小学生一起学英文第9册

购物英语对话-Buying a Pan(1)

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(134) / 评论(0)

购物英语对话

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(82) / 评论(0)

新西兰英语

Tree climbing: Part 2

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(111) / 评论(0)

六分钟英语

学个词Learn a Word 第1694-pitch

今天我们要学的词是pitch。Pitch可以是推销的意思，既可以作名词也可以作动词。At the World Economic Forum in Davos, Russia's Prime Minister Dmitry Medvedev made a strong pitch for foreign investment in Russia. 在达沃斯世

发表于:2019-02-06 / 阅读(77) / 评论(0)

英语单词荟萃

美国俚语:一起帮忙,作出贡献 pitch in

今天介绍的俚语是pitch in，pitch in是什么意思呢？最常见得意思是一起帮忙，做出贡献(to join in and help someone with something). 例句： If you could pitch in a little we'd be finished quicker. 如果你能帮忙一下，

发表于:2019-02-09 / 阅读(112) / 评论(0)

美国俚语

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