单词：orientation force
单词：orientation force 相关文章
Everyone likes to get good customer service, but we dont always get it. In this episode, we talk about tipping (where, when, and how much), and about how to handle a situation when the service was not so good. Harp and Maura also share their own pers
英语博客-北美风情
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
GWEN IFILL: Congress is on the verge of finally approving a rewrite of the education law known as No Child Left Behind. The Senate is expected to pass it easily tomorrow. The House did so last week, and the president is expected to sign it. It will g
PBS访谈教育系列
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