氟化氢中毒

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is

发表于:2018-12-01 / 阅读(318) / 评论(0)

Explorations

SSS 2010-12-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(256) / 评论(0)

Scientific American(十二)月

高中英语上外版二年级下Unit ten

[00:04.02]Language Function: Asking about Like and Dislikes in Sports [00:10.81]A:Did you attend the sports meeting last Sunday? [00:16.01]B:Certainly!I love sports. [00:19.80]A:What's your favourite sport? [00:22.78]B:Pingpong! A:Pingpong?Why? [00:2

发表于:2018-12-04 / 阅读(352) / 评论(0)

高中英语上外版二年级

Dental Health

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(200) / 评论(0)

科技之光

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(229) / 评论(0)

VOA2003（上）-科技导航

口腔临床英语对话第29期:正畸治疗(2)

Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗？ If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的，我想蛀了也没有关

发表于:2018-12-27 / 阅读(226) / 评论(0)

口腔临床英语对话

人教高中英语高二上UNIT8-3

Read the following descriptions of accidents and decide what the rescuers did wrong. ACCIDENT We saw the car hit the truck. It flew into the air and landed on its side. We stopped and ran straight to the car. Petrol was coming from the car and a sma

发表于:2018-12-29 / 阅读(159) / 评论(0)

人教高中英语高二

VOA慢速英语2010年-Science in the News_ How to Avoid Carb

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(457) / 评论(0)

2010年慢速英语(二)月

VOA慢速英语2013 SCIENCE IN THE NEWS - A Silent Killer – Carbon Monoxide Poisoning

SCIENCE IN THE NEWS - A Silent Killer Carbon Monoxide Poisoning This is SCIENCE IN THE NEWS, in VOA Special English. I'm Christopher Cruise. And I'm Bob Doughty. Winter has brought cold weather to many parts of Earths northern hemisphere. With the co

发表于:2019-01-12 / 阅读(178) / 评论(0)

2013年VOA慢速英语(三)月

VOA慢速英语2012 SCIENCE IN THE NEWS - A Silent Killer – Carbon Monoxide Poisoning

SCIENCE IN THE NEWS - A Silent Killer Carbon Monoxide Poisoning SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Winter has brought cold weather to many areas in Earths nor

发表于:2019-01-12 / 阅读(241) / 评论(0)

2012年VOA慢速英语(二)月

VOA标准英语2010年-Coal Burning Linked to Fluoride Diseas

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(201) / 评论(0)

VOA标准英语2010年(十)月

原版英语对话：A Stomachache(1)

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(217) / 评论(0)

英语情景对话-健康

科学美国人60秒 SSS 海狸牙齿的奥秘

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错，这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

发表于:2019-01-20 / 阅读(211) / 评论(0)

2018年科学美国人1月

Food Poisoning in Summer

56 自然原因导致夏季食物中毒比率偏高 DATE=6-12-01 TITLE=AGRICULTURE REPORT - Food Poisoning in Summer BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(220) / 评论(0)

科技之光

SCIENCE IN THE NEWS - Dental Health

SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo

发表于:2019-01-30 / 阅读(201) / 评论(0)

科技之光

学个词 Learn a Word-VOA英语教学 2280-fluoride

今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟

发表于:2019-02-02 / 阅读(195) / 评论(0)

英语单词荟萃

厨房英语4

Food Poisoning (1) Dialog one: commis: How do microbes (bacteria) get in food (2) ? chef: Mostly from your hands (3) . commis: I should always wash them. chef: Yes. Everything in the kitchen should be sanitized (4) . commis: Right, Ill use an antisep

发表于:2019-02-11 / 阅读(222) / 评论(0)

英文语法词汇

Those Winter Sundays

Sundays too my father got up early and put his clothes on in the blue black cold, then with cracked hands that ached from labor in the weekday weather made banked fires blaze..no one ever thanked him. I'dwake and hear the cold splintering ,breaking.

发表于:2019-02-14 / 阅读(241) / 评论(0)

阅读空间

Food poisoning hospitalizes 200 in Philippines: media

MANILA, June 14 (Xinhua) -- At least 200 people, mostly children, have been taken to hospitals after allegedly suffering from food poisoning at a birthday party in the northern Philippine province of Bulacan, local newspaper Manila Bulletin reported

发表于:2019-02-16 / 阅读(177) / 评论(0)

英语新闻

英语听力—环球英语 1487 Poisoned by Lead

Voice 1 Welcome to Spotlight. I'm Joshua Leo. Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It was a medical mystery. In sever

发表于:2019-03-15 / 阅读(370) / 评论(0)

环球英语 Spotlight

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学英语单词

calibrating set for resistance attenuator

centrally located systematic sample