单词：shuttle trap
单词：shuttle trap 相关文章
Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma
2016年Scientific American(八)月
By Al Pessin Pentagon 24 January 2007 A U.S. military official has confirmed to VOA that U.S. military forces made a second air strike on al-Qaida targets in Somalia this week. VOA's Al Pessin reports from the Pentagon. AC-130 (File photo) The offic
2007年VOA标准英语（一月）
Lesson 53 Air 1.Hot air. 2.I'll be working on the air. 3.She gives me the air at last. 4.Don't put on airs with me. 5.She's always talking with air. 6.It's a castle in the air. 7.I want to give air to you. 8.I can't live on air.
辛沛沛NO-BOOK 辛沛沛口语提高版
AUDIE CORNISH, HOST: Climb Every Mountain, Rocky Mountain High, Night On Bald Mountain - music and mountains have long been linked in the public imagination. Critic Bob Mondello says a documentary called Mountain finds a new sort of purity in the con
2018年NPR美国国家公共电台5月
ELISE HU, HOST: A Japanese lawmaker did something shocking earlier this week. She brought her baby to work. Yuka Ogata took her seat in the front row of the Kumamoto Municipal Assembly and held her 7-month-old in her lap. The baby quietly sucked his
2017年NPR美国国家公共电台11月
Officials in Australia say more young foreigners looking to escape recession in other parts of the world could be heading for the country this year on working holidays. The number of skilled travelers from Britain and Germany applying for working hol
VOA双语新闻 2009年4月