单词：plano convex lens
单词：plano convex lens 相关文章
AS IT IS 2013-06-29 Man of Steel Still Going Strong Hello again, and welcome. Im June Simms in Washington. Today on As It Is, we celebrate the life and times of one of worlds most beloved superheroes. Well hear the story of how Superman came to be an
2013年VOA慢速英语(六)月
Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop
2018年VOA慢速英语(二)月
AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and
2011年VOA慢速英语(六)月
Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent
2018年VOA慢速英语(三)月
By Greg Flakus Dallas, TX 21 September 2006 watch American Ramadan Movie Muslims around the world will begin a month of fasting and prayers known as Ramadan on September 23rd. (The exact date is determined by Muslim holy men using the lunar calendar
2006年VOA标准英语（九月）
Small Illinois Town Gets Boost From New Superman Movie Plano Mayor Bob Hausler said, I would say a great Midwestern small town, and we epitomize that. Hausler was in charge of the city's government in 2011 when a Hollywood production company came to
VOA标准英语2013年(六月)