单词：radiation detecting element
单词：radiation detecting element 相关文章
Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und
VOA标准英语2010年(一月)
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei
Scientific American(十)月
A: I was thinking about buying this used car, and was wondering if you would take a look at it for me to see if it has any problems. B: Sure, pull up over there and we'll take a look. A: I just wasn't sure what to look for. B: The first thing you do
买车-Buying a Car
1. This means that our noses are limited to perceiving those smells which float through the air, missing the majority of smells which stick to surfaces. 【分析】多重复合句。句子主干为 This means that...，that 引导宾语从句。宾语
考研英语长难句讲解
Technology being(1) developed at Pacific Northwest National Laboratory could put(2) explosive-sniffing(3) dogs out of business. Just like dogs, the technology can 'sniff' the air to detect vapors from explosives. Unlike dogs, it doesn't need to be fe
英语博客 A cup of English
But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch
火星生命
Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per
2017年VOA慢速英语(四)月
04 My Dad's a Secret Agent Kenn Nesbitt My dad's a secret agent. He's an undercover spy. He's the world's best detective. He's the perfect private eye. He's a Pinkerton, a gum shoe, He's a snoop and he's a sleuth. He's unrivaled at detecting and unc
希望长着翅膀
U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation（放射） exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y
英语新闻
DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also
2010年VOA慢速英语(七)月
A: I want to buy this used car, but I need help figuring out if there are any problems with it. B: I can help you with that. Drive the car over by the garage and we'll check it out. A: I know some things to look for, but I know there are other specia
英语情景对话-买车
A: Could you take a few minutes and see if there are any problems with this used car that I am thinking of buying? B: I am happy to help. Just pull up and we'll give it a good look. A: I don't know much about cars. B: We need to look inside and out f
英语情景对话-买车
A: I was thinking about buying this used car, and was wondering if you would take a look at it for me to see if it has any problems. B: Sure, pull up over there and we'll take a look. A: I just wasn't sure what to look for. B: The first thing you do
英语情景对话-买车
Metal detecting is a popular hobby in Britain, with clubs across the country. In the past year, detectorists, as they are called in Britain, have made big finds, valuable both in financial and archaeological terms. Jennifer Glasse | London 12 January
VOA标准英语2010年(一月)
The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi
英语新闻
A key Japanese adviser on radiation（放射 ） leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer
英语新闻
NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from（发源于） Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo
英语新闻
WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine（碘） has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai
英语新闻
Subject : Why are you always out in the left field? 第一， 迷你对话 A: Why are you always out in the field while listening to the news? 为什么你听新闻的时候不专心啊？ B: I am listening to the music and I couldnt help moving my b
迷你对话学地道口语