硫化物冰铜

听美文故事记6级单词07-07

7. Natural Yoghurt beats bad breath Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause of bad breath - in 80% of

发表于:2018-11-30 / 阅读(121) / 评论(0)

听美文故事记6级单词

CNN 2009-11-25

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(107) / 评论(0)

cnn2009年(十一)月

60秒科学:Mercury Fillings Seem Safer over Time

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(167) / 评论(0)

60秒科学

Garlic: The Key to a Long Life?

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(151) / 评论(0)

2016年VOA慢速英语(十二)月

【英音模仿秀】走近遮景绘画技术

模仿句子： Essentially, a matte painting is part of a picture that you see on the screen, but which is not really there. 翻译：本质上，遮景绘画是你在银屏上看到的部分图像，但这样的图像并不是真实的场景。

发表于:2019-01-23 / 阅读(92) / 评论(0)

英音模仿秀

英语听力文摘 English Digest 505、不能不说的秘密

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(96) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 70、细菌可除臭?

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(99) / 评论(0)

英语听力文摘 English Digest

VOA标准英语2010年-Keeping Girls in School May be a Matte

They may be the victims of unwanted sexual advances. And unfortunately, very, very often it might come even from their teachers. When boys and girls reach puberty, their bodies go through many physical changes. But for girls in Africa, the onset of m

发表于:2019-02-12 / 阅读(110) / 评论(0)

VOA标准英语2010年(二月)

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学英语单词

as easy as falling off a log

average kilometrage per vehicle-day

blood-borner

Brown-Eye

Buckingham 2,George Villiers

busting a gut

center coupled loop