单词：separated filter
单词：separated filter 相关文章
But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi
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AS IT IS 2014-01-26 Separated Families Meet in North Korea for a Rare Reunion 相隔50年被分离的家庭在朝鲜重聚 Welcome to As It Is from VOA Learning English. Im Mario Ritter in Washington. Today, we hear about a group of Koreans who recen
2014年VOA慢速英语(三)月
From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a
2018年VOA慢速英语(一)月
After World War II, many Korean families who were North or South of the line that divided the two countries were separated. The Korean War more than 60 years ago made meeting nearly impossible. And now some separated families in South Korea say they
2018年VOA慢速英语(八)月
STEVE INSKEEP, HOST: The number of migrant children detained by the U.S. government alone is increasing. That's the result of a policy decision by the Trump administration to separate children from their parents as the parents are prosecuted for cros
2018年NPR美国国家公共电台6月
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
2007年VOA标准英语（五月）