13岁男孩发明了新的盲文打印机

13-year-old invents new Braille printer 13岁男孩发明了新的盲文打印机 A 13-year-old American has made a cheap machine that can help blind people read. People who cannot see can read by using Braille a system of small bumps that people tou

发表于:2018-12-03 / 阅读(290) / 评论(0)

英语科技新闻

美国国家公共电台 NPR How Do You Know If Aid Really Works? Turns Out ... We Often Don't

SCOTT SIMON, HOST: Here's an idea that sounds pretty obvious. Before you spend lots of money on an aid program, wouldn't you want to run a test to make certain the program actually works? If you want to help farmers, should you buy them seeds or just

发表于:2019-01-16 / 阅读(231) / 评论(0)

2017年NPR美国国家公共电台1月

男孩用乐高设计盲文打印机

In Silicon Valley, it's never too early to become an entrepreneur. Just ask 13-year-old Shubham Banerjee. 在硅谷，何时成为一个企业家都不嫌早。看看这个13岁的男孩舒布哈姆班纳吉（Shubham Banerjee）就知道了。 The C

发表于:2019-02-01 / 阅读(266) / 评论(0)

实用英语

【英语语言学习】宝莱坞成立100周年了

We are also celebrating an anniversary in India. Bollywood celebrated its 100th birthday earlier this month. You probably know Bollywood films. The actors usually speak Hindi, and the movies often include a lot of singing and dancing. Many tell drama

发表于:2019-02-16 / 阅读(223) / 评论(0)

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ammonia-maserspectrum analyzer

back-furrow

backbeach(back shore)

bang the drum