不稳定滤波器

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

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

发表于:2018-12-11 / 阅读(69) / 评论(0)

365个英语简短小故事

节奏布鲁斯:Zak Abel - Unstable

You're up, I'm just getting in So rough, God knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall Y

发表于:2018-12-16 / 阅读(28) / 评论(0)

节奏布鲁斯

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

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

发表于:2019-01-03 / 阅读(64) / 评论(0)

2018年VOA慢速英语(一)月

VOA标准英语2014--Ancient Papyrus Reed Could Hold Key to Water Conservation

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(53) / 评论(0)

VOA标准英语2014年(七月)

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

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

发表于:2019-02-03 / 阅读(92) / 评论(0)

2007年VOA标准英语（五月）

音乐咖啡厅:Zak Abel - Unstable

You're up I'm just getting in So rough god knows where I've been Your eyes are staring at my sins There's no time to speak our minds All of our frustrations on hold 'Cause you don't know the life that I know Standing straight but I'm off the wall You

发表于:2019-03-11 / 阅读(104) / 评论(0)

音乐咖啡厅

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a pillar of the church

air compressor bracket seat