单词：battery cell tester
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G: Have you heard about the new iphone? C: yes, I heard it's supposed to come out in June. Are you thinking about getting one? G: I'd like to. It's a cell phone, camera, PDA and mp3 palyer all in one. C: if I had enough money, I'd buy one, but I don'
生活英语情景口语
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
2017年科学美国人(七)月
Power Your Laptop by Taking a Walk Scientists at the University of Wisconsin-Madison have developed a technology that turns human motion into electricity. In this week's journal Nature Communications, they describe how to power a cell phone or other
VOA标准英语2011年(八月)
我们今天要学几个由hold这个词为主的习惯用语，hold常用来表示用手拿住或者抓住，今天要学的第一个习惯用语是：hold on to one's hat。 大家都知道hat是帽子，hold on to one's hat这个习惯用语出现在
美国习惯用语
Larry和李华正在电影院外面等朋友。电影都快开场了，可是朋友还没到。Larry 决定用手机给这个朋友打电话。今天李华会学到两个常用语：juice和nuke. LL:
美国之音《流行美语》
01. I got a new cell phone last week. 我上周买了个新手机。 02. What's your cell phone number? 你的手机号码是多少? 03. I received two text messages this morning. 我今早收到了两条短信。 04. I've had my cell phone stolen. 我
英语口语最炫潮流