单词：vacuum-coated reflector
单词：vacuum-coated reflector 相关文章
浓浓复古风，让人想舞动起来：Christina Aguilera- Candy Man tarzan and jane were swingin' on a vine candyman, candyman sippin' from a bottle of vodka double wine sweet, sugar, candyman hey, uh i met him out for dinner on a friday night he
英文手机铃声歌曲
[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励，激励 紧急的，急迫的 功用，效用 利用 [1:11.2978]utmost vacant vacuum vague极度的，最大的 未被占用的，空着的 真空 含糊的，模糊的 [1:52.9962]vain valid vanish variable徒劳的，无效的 有效的，
闭着眼睛飘单词 四级词汇
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
365个英语简短小故事
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
电影词典 view finder 取景器 美国俚语 Okey Dokey （同意）好的 e.g.1I'm going to start the movie now. Okey Dokey! I'm coming. 我现在要开始放电影了。 好的，我来了。 2Jennifer's coming over for dinner. Okey Dokey! I'll
听动感英语学口语
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
1包装在英文药品说明书中的表示法有许多，最常用的是Pack（Package）和Supply，例如： Pack（s） （Packing（s）） 包装 Supplys（Supplied） 包装 Package（s） 包装 How Supplied 包装方式 Packing for Hospital 医
医学英语
I can name a couple ways baby this sh*t might go You just might forget that this was what you're getting high for And it might do the things to him I mean the guy who He's the one who's sweet enough who'll shoot to make that high note And it's such a
节奏布鲁斯
And it didn't stop there. My competitive natures went right into the pros, I get to the Bulls which I was very proud of. At the time Jerry Reinsdorf didn't own the team. It was another organization. Reinsdorf drafted me. kevin Loughery was my first c
偶像励志英语演讲
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
文本： S: Okay, two bottles. Explain. J: Theres a good bottle and a bad bottle. You take the pill from the good bottle, you live; take the pill from the bad bottle, you die. S: Both bottles are of course identical. J: In every way. S: And you know
跟着英剧练发音
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c
2006年VOA标准英语（十一月)
CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen
英语新闻
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台