单词：rotary dry vacuum pump
单词：rotary dry vacuum pump 相关文章
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语每日一词
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
Ezekiel connected dem dry bones Ezekiel connected dem dry bones Ezekiel connected dem dry bones Oh, hear the word of the Lord The foot bone's connected to the ankle bone The ankle bone's connected to
VOA标准英语2014年(三月)
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
我们再来给大家介绍两个以dry这个字为主的习惯用语。第一个是：High and dry. High就是高，dry 就是干。要是一个人处于high and dry的局面，那他就是面临难以
美国习惯用语
Dry your eyes BABY别哭~ 演唱者：3rd Storee 英文歌词 Girl there's something that's telling me That you're in need of company And you need it now So I'm willing to comfort you For all, all the pain that you're going through So baby don't... 3
英语说唱歌曲
Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr
2015年VOA慢速英语(七)月
By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.
VOA标准英语2008年（三月）
The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles
VOA标准英语2010年(一月)
Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children
VOA标准英语2012年(八月)
'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se
VOA标准英语2010年(四)月
He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t
英文短篇故事（纽约）
今天我们要学的词是dry up。 Dry up, 意思是耗尽，用光。今年年初开始的阿拉伯革命目前的焦点集中在叙利亚，随着西方国家的制裁，As cash starts to dry up, more Syrians see that the current regime is not su
英语单词荟萃
在这次节目里，我们要给大家讲两个以dry这个字为主的习惯用语。Dry就是：干，也就是干和湿的干。我们首先要讲的一个习惯用语是：Dry run. Dry是干，ru
美国习惯用语
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语单词荟萃
The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u
365个英语简短小故事
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
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
学个词
Till the rivers all run dry Till the sun falls from the sky Till life on earth is through I'll be needing you I know sometimes you may wonder From little things I say and do But there's no need for you to wonder If I need you cause I'll need you Till
美国乡村音乐