单词：polyethylene shrinkable film
单词：polyethylene shrinkable film 相关文章
情景对话： Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会？ 知识点笔记： hydrofluoric 氢氟酸 1. 确定辅音 相对来说，辅音变化最少。 单词中 h，dr，fl，r 和 c， 都没有特殊和奇怪
英国学生科学读本
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
英语时差8，16
Does the material stand washing? 这种布料耐洗吗？ Sure. This material is not only washable but also unshrinkable,sun-resistant,crease-resistant, and resilient. 当然，这种布料不仅耐洗，而且不缩水、不怕晒、不起皱还有弹
旅游英语口语就该这么说
By Carolyn Weaver New York 05 May 2008 New York City's largest film event, the Tribeca Film Festival, is screening 120 films this year in theaters around downtown Manhattan. The 12-day festival [which ran through May 4] was created to revive the econ
VOA标准英语2008年（五月）
Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in
英语时差8，16
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
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