高分辨图像传感器

W: Have you ever heard of human cloning? M: Yes, but human cloning is banned in America. W: I think its a good idea to create cloned babies for the infertile couples. M: Human cloning will lead to a series of ethical problems. Any way I strongly obje

发表于:2018-12-17 / 阅读(48) / 评论(0) 分类 流利美国口语

2-7-A Dialogue M: Excuse me, do you have a T-shirt of this kind in a larger size? W: What size do you want? M: Medium. W: Pardon? M: I want a medium. W: Here's a medium in black. Do you like it? M: Well, I like the picture on the front, but I'd prefe

发表于:2018-12-17 / 阅读(43) / 评论(0) 分类 全新版大学英语听说教程第二册

Five Digital Camera Mistakes by Vance Fry Everyone who buys a digital camera starts out as a digicam newbie. Avoid these five blunders and you won’t look like a newbie for long 1 Mistake 1: Not lear

发表于:2018-12-19 / 阅读(112) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(十二)月

Foldable white canes help the visually impaired navigate their surroundings, but the guide stick's tactile (preceptible by touch or apparently so) nature offers only so much information. The cane's user must manually find and avoid obstructions, but

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2015年Scientific American(五)月

今天我们要学的词是 high-resolution. High-resolution 高分辨率的。Using high-resolution satellite images, researchers estimate 84 percent of the world's population live in urban areas. 研究人员依靠高分辨率的卫星图像估计,

发表于:2018-12-30 / 阅读(47) / 评论(0) 分类 英语单词荟萃

Do you resemble someone famous? Jo: Hello, this is Real English from BBC Learning English, Im Jo. Sun Chen: 嘿,你好吗?我是孙晨。 Jo: In Real English, we look at words and phrases that you might not find in your dictionary. Sun Chen: 你是不是已经发

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 地道英语在线听

One of the most popular tools on Apple's new iPhone X is its facial recognition system. This latest iPhone gives users the power to open the device just by looking at it. The smartphone has performed well in tests set up to trick it into opening for

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 2017年VOA慢速英语(十一)月

Smart Farm Technology Tracks Behavior of Cows Artificial intelligence (AI) has arrived on the farm. A Dutch company has developed technology to follow the movements and activities of cows. The high-tech system, powered by AI and motion sensors, is ca

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 2018年VOA慢速英语(四)月

X-Ray Technology Helps Recover Lost 19th-Century Images The worlds very first photographs were taken in the 1830s. Scientists now say they have found a way to recover lost images made from the very first photographic process. The new method uses X-ra

发表于:2019-01-03 / 阅读(62) / 评论(0) 分类 2018年VOA慢速英语(七)月

UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research

发表于:2019-01-11 / 阅读(122) / 评论(0) 分类 VOA标准英语2011年(九月)

AS IT IS 2016-05-22 Storm-Chasing Drones Help Fight Extreme Weather 使用无人机追踪风暴 对抗极端天气 Some countries are using drone technology to prepare for major weather events and observe severe storms as they happen. One place where

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2016年VOA慢速英语(五)月

AS IT IS 2016-03-24 Trending Today: Doodle 4 Google This is Whats Trending Today. Google has chosen the national winner of its Doodle 4 Google contest. Doodle means draw. School-aged children across the United States sent their drawings to Google in

发表于:2019-01-12 / 阅读(49) / 评论(0) 分类 2016年VOA慢速英语(三)月

Experts Recommend Screening Newborns for Heart Defects One of the scariest things a new parent can hear is, your baby has a birth defect. But some of the most dangerous birth defects are are invisible ones, such as deformities in the baby's tiny hear

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2011年(八月)

The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst

发表于:2019-01-23 / 阅读(57) / 评论(0) 分类 探索与发现2013年

大家都知道spit的意思是“唾液”。可奇怪的是,有一个和spit相关的词组spit and image的意思却是“和……一模一样的(人或东西)”。 语源学界普遍接受的

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 英文语法词汇

今天我们要讲的两个习惯用语有同样的意思。它们都用来说某一个人非常像另一个人。第一个习惯用语是:dead ringer。 Ringer原来意思就是酷似某人的人或者很像某物的东西. Ringer有时可以指冒名

发表于:2019-01-31 / 阅读(190) / 评论(0) 分类 美国习惯用语

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(91) / 评论(0) 分类 英语新闻

As this image gets larger, what do you see? 随着这张图片越放越大,你看到了谁? Most people will pick out a phantom-like picture of Albert Einstein. But if you see a Hollywood pin-up, you may need a trip to the opticians. 大多数人看

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 阅读空间

US High School Students Shine in Prestigious Science Competition Twenty U.S. high school students were in Washington, D.C., this week squaring off in one of the nations premier science research contests. The prize: a half million dollars in college s

发表于:2019-02-12 / 阅读(70) / 评论(0) 分类 VOA标准英语2011年(十二月)
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