单词:air filters
[网络] 空气濾清器;空滤器;压缩空气过滤器
单词:air filters 相关文章
Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho
Broadcast: January 27, 2003 By Jill Moss This is the VOA Special English Development Report. Researchers have discovered a simple answer to a huge problem in developing countries. They have found that
Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T
Reading and Processing Emails Every day I feel more and more overwhelmed by email. Once I turn on my computer and look at my inbox, I get sucked into reading and responding to emails. I have a personal email account and an email account for work. Wit
I hate junk mail. Im sick and tired of it filling up my InBox. I mean, who believes the stuff written in it? I love the ones that start with Dearest and then tell you how their uncle died during some war and they need your help to transfer $18 millio
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Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart
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
This is the VOA Special English Development Report. Every day, millions of people around the world drink water from wells that are polluted with high levels of arsenic. Arsenic is an element that can be released into groundwater by soil and rocks. Ov
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Summer is a busy time for travel. Today, we discuss ideas about how to stay healthy on a long trip. VOICE ONE: For years, people have w
Students Invent Water Purification Disc The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them. What's created is called a MadiDrop - a ceramic disc infused with silver. When dropped in water, silver
LULU GARCIA-NAVARRO, HOST: This past wildfire season, there were unprecedented amounts of wildfire smoke in communities across western Montana. Instead of just issuing warnings, public health agencies tried something new - actually making the air cle
Now one of the things that I do is I don't use any filters, I don't use anything to 我录制的所有视频都没有做过特效处理,什么处理都没有 I try to capture the moment as much as possible as the way that I saw it with my own eyes.
With major pollution days becoming more frequent, students are staying home, often without supervision. Their parents say it would be better if their children were in the classroom, and that's why schools need to install air purifiers. Our school bou
Language Points A guy that's alone in forest kisses a dead body while seven other guys watch. 白雪公主和七个小矮人 Girl wakes up to a stranger on top of her in a bed, but it's cool because he is hot. 睡美人 The one where Jennifer Annisto
Science and technology 科学和技术 Computer vision 计算机模拟视觉 Eye robot 你是我的眼 Poor eyesight remains one of the main obstacles to letting robots loose among humans. 放手让机器人在人类社会自由活动仍存在重大障
DEVELOPMENT REPORT – Cloth Filters Fight Cholera By Jill Moss Broadcast: Monday, February 14, 2005 I'm Gwen Outen with the VOA Special English Development Report. A few years ago, researchers discov
今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪,意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气
Idiom: Salt in the wound ( make people feel worse ) Hit the book: Source of stress Poverty Isolating time Be up against Financial challenge Guilty Scrape through Grateful When asked about gifts for children under 10, the majority of households said y
I hate junk mail. Im sick and tired of it filling up my InBox. I mean, who believes the stuff written in it? I love the ones that start with Dearest and then tell you how their uncle died during some war and they need your help to transfer $18 millio