单词：power of a lens
单词：power of a 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
AS IT IS 2015-03-05 UK Group Brings Eyeglasses to Rwanda 英国组织向卢旺达提供眼镜 Most people in developed countries do not have a problem getting prescription eyeglasses. They go to an ophthalmologist -- a trained specialist who treats p
2015年VOA慢速英语(三)月
UK Scientists Develop Cheap Adjustable Glasses 英国科学家开发廉价可调眼镜 Ninety-five percent of people in Sub-Saharan Africa who need glasses don't own a pair, according to the Britain-based charity foundation Vision for a Nation. Its f
VOA标准英语2015年(一月)