凸出边缘

【英语时差8,16】势能

Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A

发表于:2018-12-27 / 阅读(23) / 评论(0)

英语时差8，16

不择手段背单词(732):bead有孔小珠; 念珠

bead, [bi:d] n 珠子，水珠，准星【例】She wore a string of beads 她挂了一串珠子。有孔小珠; 念珠水珠; 水泡算盘; (枪的)准星【建】凸圆线脚, 串珠线脚【机】卷边; 车轮圆缘焊珠, 焊蚕, 焊缝; 叠

发表于:2018-12-30 / 阅读(42) / 评论(0)

不择手段背单词

James Monroe: Last of the Cocked Hats

James Monroe easily won election in 1816. He had a relaxed, likeable personality and was popular with voters. In addition, many saw him as a last connection to the countrys founding generation. Monroe had fought in George Washingtons army during the

发表于:2019-01-02 / 阅读(51) / 评论(0)

2017年VOA慢速英语(三)月

VOA慢速英语2009-THIS IS AMERICA - When Beaders Form a Circle of

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Beadwork has a long history as an art form practiced by American Indians and other cultures around the world. Today millions of people e

发表于:2019-01-09 / 阅读(46) / 评论(0)

VOA慢速英语2009年（五）月

VOA标准英语2012--US Bead Parties Boost Ugandan Women

US Bead Parties Boost Ugandan Women Its party time for Madison Blandford and three dozen of her girlfriends. The 11-year-old invited her classmates and neighbors to see - and buy - beaded jewelry made by women in Uganda. My grandma got me a bracelet,

发表于:2019-01-13 / 阅读(59) / 评论(0)

VOA标准英语2012年(七月)

美国习惯用语:365 go off half-cocked

枪在美国历史上曾经起了重要的作用。枪是探险家、垦荒者和牛仔必不可少的伴侣。这固然已经是陈年往事，但是这段流逝的岁月却在语言中留下了自己的脚印；美国英语里至今还有不少习惯

发表于:2019-01-16 / 阅读(84) / 评论(0)

美国习惯用语

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angle block for warp stop box

aom

Apogon maculatus

automatic lader diagnostic

berg wind