四氟乙烯绝缘，绝缘塑料

WORDS AND THEIR STORIES(31)- Teflon

WORDS AND THEIR STORIES - Teflon By Frank Beardsley Broadcast: Sunday, December 12, 2004 Now, Words and Their Stories, a VOA Special English Program about Amercian expressions. I'm Rich Kleinfeldt wit

发表于:2018-12-01 / 阅读(135) / 评论(0)

WORDS AND THEIR STORIES

SCIENCE IN THE NEWS - Air Pollution Harms Young Lungs / A Le

SCIENCE IN THE NEWS - Air Pollution Harms Young Lungs / A Legal Settlement Over Teflon By Broadcast: Tuesday, October 05, 2004 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-02 / 阅读(64) / 评论(0)

科技之光

VOA慢速英语20060207b

SCIENCE IN THE NEWS - U.S. Seeks to Cut Levels of Chemical Used for Teflon, Other Non-Stick ProductsBy Caty Weaver, Brianna Blake and Jerilyn Watson Broadcast: Tuesday, February 07, 2006 (MUSIC) VOICE

发表于:2019-01-16 / 阅读(68) / 评论(0)

2006年慢速英语（二）月

【英语时差8,16】为什么特氟隆很滑

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(217) / 评论(0)

英语时差8，16

新西兰英语 165 Home Insulation Plan

Many houses in New Zealand are cold. Our traditional wooden house had no insulation. If you live in a house like that, you are paying for heat to escape from the ceiling, walls and under the floor. Insulation is made from material like wool or fibreg

发表于:2019-02-18 / 阅读(67) / 评论(0)

新西兰英语

英语听力文摘 English Digest 197、特氟隆为何如此滑

Why Teflon Is Slippery？ 1954年，法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想，觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上，效果一定不错

发表于:2019-02-24 / 阅读(91) / 评论(0)

英语听力文摘 English Digest

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

a livestock pen

acetic starch

acpds

additivity of information

battery supply circuit