低阻滤器

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(129) / 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(73) / 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

VOA标准英语2008年-Low Technology Solutions Find Favor in Developi

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(63) / 评论(0)

VOA标准英语2008年（五月）

美国国家公共电台 NPR Brides Everywhere Are Saying Yes To The Low-Cut Dress

RACHEL MARTIN, HOST: When Meghan Markle marries Prince Harry, whatever she wears is guaranteed to cause conversation. But as NPR's Neda Ulaby reports, these days she's not the only one. NEDA ULABY, BYLINE: When it comes to the bridal bust line, the q

发表于:2019-01-16 / 阅读(52) / 评论(0)

2018年NPR美国国家公共电台5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(93) / 评论(0)

2007年VOA标准英语（五月）

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学英语单词

Acanthodiformes

ache all over

Adson test

air and filling pipe head

away-from-reactor fuel storage

BDS (design basis storm)