单词：polyethylene-lined
单词：polyethylene-lined 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
Hello everyone, no podcast today, I'm afraid. For a few days I have a lot of appointments lined up. So, I will podcast again on Wednesday. I'll let you know what I've been up to then.
英语博客 A cup of English
A tour bus has plunged off a mountain road in Changji, Xinjiang, in Northwest China. 15 people are dead, and 21 others injured. 一辆旅游巴士在中国新疆昌吉翻车。15人死亡，另有21人受伤。 All the injured were taken to hospital
CCTV9英语新闻2013年06月
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
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
英语听力文摘 English Digest