单词:metal-semiconductor-metal detectors
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By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o
Most works of art - paintings, sculptures, artistic jewelry - are created for a collector or patrons who visit a gallery. The artist makes something, and someone else buys it and takes it home. Others create large public art - sculptures and statues
In its latest video, ISIS continues to threaten against the west, setting its target squarely on the United States. We will strike America in its stronghold Washington. CIA chief John Breaning today warned the terrorist group now has a lethal externa
Todd圣诞节要回阿拉斯加看望父母,他正在机场过安检。 Professor: In this first part, an airport security guard is telling Todd what to do before he goes through the metal detector and puts his bags through the x-ray machine. Metal
Building with Wood and Metal Hugo: Wow, when you said that you did some woodworking on the weekends, I thought you meant refinishing furniture. But this! This is a real workshop and youre actually building furniture. Shawna: Yeah, this is what Im wor
It seemed like an ideal afternoon for a walk on the beach. The sky was blue, the breeze was warm, and the ocean was calm and peaceful. The only thing that kept it from being perfect was the mess the storm had left behind. Yuck, more seaweed! six-year
The recent school shooting at Marjory Stoneman Douglas High School in Parkland, Florida, claimed the lives of 17 students and teachers. It also started a wave of protests among young people across the country. These student activists are calling for
Puppies born recently in Cambodia are the first mine-clearing dogs to be bred and born in Southeast Asia. Most Asian dogs are unsuited for de-mining, so fully trained dogs are imported, mostly from Europe. But that could change if Cambodia's new bre
By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where
RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up
Lesson 64: [00:03.58]What Do You Know?Have You Seen These Words? [00:09.35]bag bit,a bit of I have a bit of plastic.It's a white bit. [00:18.00]It's small.Look!I can hold it in my hand. [00:23.95]least,less [00:27.43]There are three bags of garbage.I
美国新晋说唱女歌手 Azealia Banks 变身大漠妖姬,带来超动感单曲《Heavy Metal And Reflective》!感觉棒极啦,飚车一族势不可挡,期待 Azealia Banks 更多更好的作品。 歌词: Fridgy froze kept, it's that f
Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen
RACHEL MARTIN, HOST: And now some words you don't often hear together - all-girl, teenage, Indonesian metal band. NPR's Ashley Westerman has this profile. ASHLEY WESTERMAN, BYLINE: The band's called Voice of Baceprot. Baceprot means noisy in the girl
DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th
A: Hello. B: Hi, Betty. It's Larry. Can you tell me how many smoke detectors you have? A: There are two smoke detectors in my apartment. B: Do you know how new the batteries are? A: I'm very afraid of fires. I change the batteries every Labor Day. B:
A: Hello, Betty speaking. B: Hey, Betty. This is Larry. Tell me how many smoke detectors you have, please. A: This apartment came with one, and I installed another one. B: Are there fresh batteries in each of them? A: Each detector beeps when the bat
'The Big Bang Theory' Writers to Hide Kaley Cuoco's Broken LegKaley Cuoco has returned to work on 'The Big Bang Theory,' but despite the fact she's still wearing a cast on her badly broken leg, her injury won't be written into the show. During an int
So this previous year, I won the Intel International Science and Engineering Fair. 因此上一年,我赢下了国际科学以及工程大会活动的第一名。 I developed a detector that replaces the current detectors that Homeland Security has