压电激励系统

60秒科学:用身体动作来充电电池植入的医疗设备

最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr

发表于:2018-12-07 / 阅读(105) / 评论(0)

60秒科学

SSS 2010-09-24

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(59) / 评论(0)

Scientific American(九)月

英语沙龙:Driving car-开车

Driving car Father：Uh，oh，I think I just made an illegal right－hand turn． Susie：That' s okay，Dad，the policeman behind you just did the same thing．开车父亲：哎呀，我刚才违规右转弯了。苏茜：没事，爸，跟在你

发表于:2019-01-01 / 阅读(86) / 评论(0)

英语沙龙

英语访谈对话 72 Driving

Todd: OK. Keri, can you drive? Kerri: Yes, I can. Todd: Do you have a driver's license? Kerri: I do. Todd: OK. So, how long have you had your driver's license? Kerri: I think I got it when I was 17 actually. Todd: OK. How do you get a driver's licens

发表于:2019-01-02 / 阅读(48) / 评论(0)

英语访谈对话

英语访谈对话 63 Driving

Todd: OK, Hello! Jeanna: Hello! Todd: We're back. What would you like to talk about? Jeanna: Driving. Todd: OK. Tell us about driving. Jeanna: Well, I'm gonna get my permit soon and then I get to drive. I'm really looking forward to that. It's kind o

发表于:2019-01-02 / 阅读(52) / 评论(0)

英语访谈对话

可以录音和发声的衣服(有声)

M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi

发表于:2019-01-02 / 阅读(66) / 评论(0)

60秒科学

原版英语对话1000个:072 Driving

发表于:2019-01-11 / 阅读(69) / 评论(0)

原版英语对话1000个

实战口语情景对话第62期:驾驶 Driving

Todd: OK, Hello! 你好！ Jeanna: Hello! 你好！ Todd: We're back. What would you like to talk about? 今天你要谈些什么？ Jeanna: Driving. 开车。 Todd: OK. Tell us about driving. 好的。跟我们谈谈驾驶。 Jeanna: Well, I'm gonna

发表于:2019-01-15 / 阅读(69) / 评论(0)

实战口语情景对话

新西兰英语 430 Driving laws

Parliament voted today to increase the driving age from 15 to 16 from August 1st. The vote was unanimous which means all MPs voted for it. The new law also makes it illegal for drivers under 20 to have any alcohol in their blood. Also, anyone who has

发表于:2019-01-27 / 阅读(70) / 评论(0)

新西兰英语

365个英语简短小故事-179. The Driving Lesson (2)

Whoa! Whoa! Stop! What are you doing?! Holy cow! Webster, an inexperienced teenaged driver, had just turned left in front of two oncoming cars. Noah couldnt believe it. The cars were heading west through the intersection, and Webster pulled out as if

发表于:2019-01-27 / 阅读(138) / 评论(0)

365个英语简短小故事

60秒科学:Bad Mileage Driving Tips

On May 19th, President Obama announced a new federal gas mileage standard. He wants the countrys entire car and light truck fleet to average 35.5 miles per gallon by 2016. Some reaction was swift and to the point. Heres forlorn Oklahoma Senator Tom

发表于:2019-01-30 / 阅读(100) / 评论(0)

60秒科学

driving license

机动车驾驶证的英文： motor vehicle driving license motor是什么意思： n. 汽车；发动机 v. 乘汽车；以汽车载运 adj. 机动的；汽车的 motor maintainer 自动养路机 motorized troops 摩托化的部队 Work experience

发表于:2019-02-04 / 阅读(146) / 评论(0)

趣味英语

每日一词【951】driving force：推动力

今天我们要学的词是driving force。 Driving force, 推动力。不久前，脸谱网Facebook的访问量超过谷歌。业内专家认为，这种情况显示， Content sharing has become the driving force online, 内容共享已成为网络活

发表于:2019-02-06 / 阅读(53) / 评论(0)

英语每日一词

Man City's Tevez charged over driving offense

LONDON, March 13 (Xinhua) -- The Argentina international Carlos Tevez was formally charged on Wednesday following the Manchester City striker was caught for driving with his license suspended and without insurance. The 29-year-old Argentinean was ban

发表于:2019-02-08 / 阅读(93) / 评论(0)

英语新闻

实战口语情景对话第389期:Teen Driving 青少年开车

Mark: Hey, Mike, what age do you have to be in Canada to drive? 马克：嘿，迈克，加拿大的法定驾驶年龄是多少岁？ Mike: Well, it used to be 16, but it recently got pushed up to 18, now again each province controls its driving and

发表于:2019-02-12 / 阅读(60) / 评论(0)

实战口语情景对话

英语笑话听力+文本：Keep driving my truck继续开我的卡车

[00:24.95]under his belt 带着（经验） [00:29.30]dash 打碎 [00:33.29]sympathize 同情 [00:36.63]英文原文 [00:38.21]With several years of Army National Guard duty under his belt, [00:42.02]my roommate applied for officer training. [00:44.2

发表于:2019-02-15 / 阅读(64) / 评论(0)

英语笑话（MP3+文本）

英语访谈对话 436 Teen Driving

Mark: Hey, Mike, what age do you have to be in Canada to drive? Mike: Well, it used to be 16, but it recently got pushed up to 18, now again each province controls its driving and the age limits, but in my province in Ontario the age limit went from

发表于:2019-02-17 / 阅读(87) / 评论(0)

英语访谈对话

学个词Learn a Word 第1650-reckless-driving

今天我们要学的词是 reckless driving。Reckless driving 野蛮驾驶，危险驾驶。Reckless driving is a leading cause of accidents on the highways of the United States. 危险驾驶是美国高速公路事故的主要原因。Reckless dri

发表于:2019-02-18 / 阅读(54) / 评论(0)

英语单词荟萃

新西兰英语 188 Cell phones while driving

There is a new law coming in that bans the use of hand-held cell phones while driving. From November 1st, drivers caught using a hand-held cell phone will be fined $80 and will get 20 demerit points. Licences are lost at 100 demerit points. According

发表于:2019-02-18 / 阅读(53) / 评论(0)

新西兰英语

Driving 美国人的开车习惯

Meet Mitsuaki. He recently arrived in the United States to enter university. He wants to do well in his studies and adjust to the new culture. But Mitsuaki has a problem. It's not his roommates. It's not his school fees. It's not even his English abi

发表于:2019-02-19 / 阅读(61) / 评论(0)

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acceptance zone

according to existing law

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annual recurrent direct cost

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