单词：converging meniscus lens
单词：converging meniscus lens 相关文章
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
AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te
2011年VOA慢速英语(六)月
BEIJING, April 18 (Xinhua) -- Given the changes to its economy and financial market, China's monetary policy will maintain a certain degree of looseness in the coming months, but prudence will feature more prominently than last year. Positive signs a
英语新闻
中欧扩大合作符合双方利益 BRUSSELS, Sept. 8 (Xinhua) - Beijing hopes China and the European Union (EU) can take advantage of their economic complementarities to enlarge their cooperation. Ambassador of the People's Republic of China to the
英语新闻