放大-泸波器

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(70) / 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(65) / 评论(0)

2018年VOA慢速英语(一)月

英语听力文摘 English Digest 73、外科口罩的功效

Dohn,Surgical masks arent designed to protect you. Theyre designed to protect those around you from the germs you might be spreading, by blocking those droplets you shoot out when you sneeze or cough. Surgical masks also divert airflow so that you do

发表于:2019-01-26 / 阅读(31) / 评论(0)

英语听力文摘 English Digest

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）

英语听力文摘 English Digest 368、屎壳郎的“导航仪”

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(48) / 评论(0)

英语听力文摘 English Digest

英文流行歌曲:Tone Damli & Eric Saade - Imagine 想象

Tone Damli Eric Saade - Imagine：想象 Eric Saade，90年出生的瑞典偶像。Tone Damli，来自挪威的新生代女歌手。来自北欧的才子与佳人，且看合作的新单会产生怎样奇妙的火花吧。歌词： Every step that I

发表于:2019-03-11 / 阅读(141) / 评论(0)

流行英文歌曲

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学英语单词

appendage of ventricle of larynx

atomic number 57

automatic position reference system

auxilysin

Balabac Str.

boswellia serrata roxb.