[物] 滑动系数

新概念二Lesson 89 slip of the tongue

Lesson 89 slip of the tongue 口误 First listen and then answer the question. 听录音，然后回答以下问题。 Who made the only funny joke that evening and why? People will do anything to see

发表于:2018-12-08 / 阅读(265) / 评论(0)

新概念英语第二册

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(115) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(135) / 评论(0)

数学英语

美国习惯用语:424 pink slip; get the boot...

我们学习过许多英语的习惯用法。有些听众可能发现，越是生活中经常发生的事情，表达或者反映这些事情的习惯用法就越多。失业在现代社会里可以说是司空见惯，所以英语里表达失业的用

发表于:2019-02-03 / 阅读(101) / 评论(0)

美国习惯用语

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(82) / 评论(0)

英语新闻

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(71) / 评论(0)

英闻天下

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学英语单词

A.P.I.M.

air cooled collector

at the drive end

axis of the laser gyroscope