标签：电池 相关文章

VOA标准英语2014--新的太阳能电池减少生产中对环境的危害

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(91) / 评论(0) 分类 VOA标准英语2014年(六月)

VOA双语新闻 - 太阳能血压计方便实惠准确

A study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. 对太阳能血压计的研究

发表于:2018-12-19 / 阅读(54) / 评论(0) 分类 VOA双语新闻 2010年11月

科学美国人60秒 SSS This Cell Phone Needs No Battery

This Cell Phone Needs No Battery 不用电池的新型手机？ A dying battery is a huge annoyance for cell phone users. But for engineers? It's inspiration. Can we design a smartphone which can make a phone call and have a conversation without the

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 2017年科学美国人(七)月

【租住公寓】检查烟雾报警器-Checking Smoke Detectors

A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when

发表于:2018-12-26 / 阅读(107) / 评论(0) 分类 租住公寓-Renting an Apartment

新视野大学英语视听说 Unit 7-13

B, ask A whether he/she has done something wrong with the Walkman. Well, Sir/Miss. What exactly did you do with the Walkman when you got it home? A, complain and explain the problem. Why? I did nothing. I put it some batteries and turned it on, but i

发表于:2018-12-29 / 阅读(58) / 评论(0) 分类 新视野大学英语：视听说教程 1

原版英语小短文 139. Spring Forward, Fall Back

Daylight Saving Time starts tomorrow. Please change my clock, his wife said. John said he would try. John hated changing clocks twice a year. He never changed his car clock. He couldn't figure out how to do it. His car clock was wrong from March to N

发表于:2019-01-02 / 阅读(62) / 评论(0) 分类 原版英语小短文

VOA标准英语2014--芝加哥的阿贡国家实验室正在研发未来电池

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(七月)
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