[电] 修平滤波器

Clarence Cleans His Roof

Clarence Cleans His Roof It was an important thing 1) shoveling snow and the quality of your work could be seen by anybody driving by in a car, so people tried to get every last 2) speck of snow off t

发表于:2018-11-28 / 阅读(147) / 评论(0)

疯狂英语2003年

掌握英语发音第一章第三节

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(128) / 评论(0)

掌握英语发音

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(72) / 评论(0)

365个英语简短小故事

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(66) / 评论(0)

2018年VOA慢速英语(一)月

学个词Learn a Word 第715期 go through the roof

今天我们要学的词是go through the roof。 Roof 是房顶的意思。Go through the roof冲破房顶，意思就是超过了最高极限。The unemployment rate went through the roof, 失业率飞涨。Due to shortages, the price of wheat has

发表于:2019-01-07 / 阅读(54) / 评论(0)

英语单词荟萃

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）

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abandon ship training