单词:aeronautical national taper pipe threads
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I Have A Wish 名人妙语述 “ 我 ” 愿 I want a perfect world; I want to choose all the winners. 我想要完美的世界。我想选出全部的优胜者。 --美国著名影星辛·潘( Sea
AS IT IS 2015-03-29 Could Drones Help Save Rhinos in South Africa? 无人机真的能拯救南非犀牛吗? Since 2008, hunters have illegally killed more than 3,000 rhinos in South Africa. The International Union for Conservation of Nature warns tha
After successfully flying their solar-powered plane from Spain to Morocco in 2012, and across the U.S. in 2013, Swiss aeronautical enthusiasts are now getting ready to attempt a flight around the world next year. The new, improved version of the plan
This is Whats Trending Today The search engine Google celebrated on Thursday what would have been the 110th birthday of the first Native American woman engineer. Google honored Mary Ross with a special Google Doodle on its homepage. Ross was born on
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Thrill-seeking stunt pilots spend years learning to perform maneuvers that birds and bees know how to do from birth. Now a new study in the journal Scien
Six Little Mice Sat Down to Spin Six little mice sat down to spin, Pussy passed by, and she peeped in. What are you doing, my little men? Making coats for gentlemen. Shall I come in and bite off your threads? No, no, Miss Pussy, you'll bite off our h
Italian Entrepreneurs Turn to Chinese for Help When Renato Bianchi founded the company in the late 1960s the Italian economy was booming. Over the next four decades his company grew from a handful to about 160 employees. But when the global economic
A single fibre of wool is very weak, but by means of a machine these fibres are twisted together to make woollen yarn, which is a strong, loose thread. This twisting together of the fibres is called spinning. The fibres are curly or wavy, and are als
From Lie to me to CSI, from food safety to new clean power, science can take place either in a bacteria-free lab or in our daily lives. But this week, we can have close contact with science at the Beijing Science Festival. Our reporter Li Dong has th
She spun her snell with silkglands on the underside of her abdomen. The threads harden on contact with air. The trap's set, but she's treading carefully. The web's only sticky in places. She can move around, but others can't. The first bite of the da
LIMA, Aug. 14 (Xinhua) -- Air traffic controllers in Peru started Wednesday a 72-hour strike demanding wage increase, better working conditions and a reduction of work hours. The strike in air traffic control and related services is partially affecti
今天我们要学的词是taper off。 Taper off, 是逐步减弱,逐步停止的意思。The number of tourists in the beach area tapered off after the peak season, 旅游旺季结束后,到海边来玩的游客慢慢减少了。Sales are expec
Pipe dream: 白日梦 知不知道烟斗怎么说?很简单,仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然,谈起pipe(烟斗),免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi
A domestically developed engine will soon power the nation's latest stealth fighter jet, a senior scientist working for Aero Engine Corp of China. 中国航空发动机集团的一位资深科学家日前表示,我国最新型隐形战机很快将由
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
今天我们要学的词是taper off。 Taper off, 是逐步减弱,逐步停止的意思。The number of tourists in the beach area tapered off after the peak season, 旅游旺季结束后,到海边来玩的游客慢慢减少了。Sales are expec
Lesson19 A reel of cotton 第19课 一卷棉线 Let us take some of the white cotton off this reel, and try to find out what the thread of cotton is made of. We can pull the white thread to pieces, and then we see that it is made of many short fibres
The doctor who pulled Harrison Ford from the wreck of a plane crash has described how he feared a fireball from the aircraft's leaking fuel. 把哈里森福特从坠机残骸中拉出来的医生说,他当时非常担心火星会引燃正在泄漏的
今天Larry 和Li Hua 下课以后一起去吃午饭,Li Hua 会学到两个常用语:threads 和load up。 (campus noise) LL: Hey, Li Hua, those are nice threads you're wearing. LH: Threads? - 那不
[00:35.28](Chattering) [00:36.76]- Thanks a lot. - This looks good. -多谢 -看起来不错 [00:39.56]Hi. Have you guys decided on anything? 嗨 你们决定点什么了吗? [00:43.20]Uh, two Chinese chicken salad, please... 两份中式鸡丁沙拉