单词：hot surface ignition temperature
单词：hot surface ignition temperature 相关文章
O: are you ready for your first driving lesson? S: yes. Which one is the brake again? O: the pedal on your left is the brake and the one on your right is the gas. S: Im glad this car is an automatic. I don't like having to change gears. O: automatics
生活英语情景口语
Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct
自然百科2008年
[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1
北师大版高中英语模块8(选修)
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. This week, we tell about health problems linked to extreme heat. We tell what experts suggest to prevent and treat these problems.
2010年VOA慢速英语(七)月
[00:05.93]You will hear a member of the local police force [00:11.02]giving a talk on prevention of car theft. [00:15.91]Look at questions 12 to 19. [00:47.20]As you listen to the first part of the talk [00:51.80]answer questions 12 to 17 [00:56.58]a
最新版雅思听力指南
She was moving to New York City. She asked her brother to drive her to the airport in her car. Okay, but I've never driven this heap before, he said. It drives like any other car, she said. And it's a 1993 Cadillac; it's not a 'heap.' Remember, when
英文短篇故事（纽约）
Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives this movement. When solar energy reaches earth, it heats the surface and atmosphere, but it does so
探索与发现2014年
Usually it makes a certain sound a certain noise, 通常发动它时会发出特定声音， and once the engine starts, then you don't have to put the key forward, you just leave the key there, you take your hand off of it. 一旦引擎发动了，你
ESL杰夫的一天
We call the seats the passenger seats and the driver's seat. 我们把那些座位叫做乘客座位和驾驶员座位。 The right side of the car is usually called the passenger side of the car. 车的右侧通常称为乘客侧。 I get comfortabl
ESL杰夫的一天
Bob pushed the button on the door handle. He pulled on the door handle. He opened the car door. He got into the car. He sat down. He sat down in the drivers seat. He sat down behind the steering wheel. Bob put the seat belt on. He buckled the seat be
超级简单英语阅读
-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,
万花筒2013年
Study: Warmer World Will Produce Fewer Clou 气候变暖导致云层变少 With rising global carbon emissions, the planet will heat up and cloud cover will dissipate, according to a new study. The concentration of heat-trapping carbon dioxide in the
VOA标准英语2014年(一月)
KELLY MCEVERS, HOST: The Arctic is a huge icy cap on the planet, and it acts like a global air conditioner. But the air conditioner is breaking down. Today, scientists issued a grim report card on the Arctic. They say the pole continues to warm at an
2017年NPR美国国家公共电台12月
When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b
Scientific American(五)月
Bob pushed the button on the door handle. He pulled on the door handle. He opened the car door. He got into the car. He sat down. He sat down in the driver's seat. He sat down behind the steering wheel. Bob put the seat belt on. He buckled the seat b
英语第1级听力-English Level 1
WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n
英语新闻
WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac
英语新闻
Beginners. You will probably get tired of me writing about how hot it is. Yes, yes, Wenatchee is always hot in the summer. However, this year, it has been exceptionally hot, like an oven. The past few weeks have each had several days of temperatures
英语博客 A cup of English
Voice 1 Welcome to Spotlight! I'm Liz Waid. Voice 2 And I'm Nick Page. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Storms. Floods. Mudslides. Tsunamis
环球英语 Spotlight
Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧，气压变化有可能是
英语听力广播—Listening