单词：curvature astigmatism
单词：curvature astigmatism 相关文章
[00:13.40]Incident in Room 217 [00:21.55]217房事件 [00:36.23]The man himself seemed to be watching me apprehensively, [00:40.35]waiting to see what I would do. [00:43.15]He was solid enough, wearing dark clothing, [00:46.40]and in the odd lighting he
英语灵异故事
For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c
有声英文阅读
加州日报：以后视力有问题的人看显示屏再不用戴眼镜了,因为美科学家给电脑屏幕 戴上了眼镜. 美科学家给电脑屏幕戴上眼镜 Daily California: People with vision problems may be able to forgo eyeglasses and c
双语趣听精彩世界
DEVELOPMENT REPORT – December 30, 2002: Adaptive Eyecare By Jill Moss This is the VOA Special English Development Report. The World Health Organization estimates as many as one-thousand-million peop
农业与发展
asceticism n．禁欲主义 aseptic adj．无菌的，洁净的 asinine adj．愚笨的 asparagus n．芦笋（可作蔬菜） asperity n．粗鲁，艰苦 aspersion n．诽谤，中伤 asphyxiate v．（
GRE英语
A nonprofit called Give the Gift of Sight holds clinics to provide free eye exams and used glasses. Transcript of radio broadcast: 20 July 2008 This is the VOA Special English Development Report. Millions of people need eyeglasses to see clearly but
VOA慢速英语2008年（七）月
Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says
2011年VOA慢速英语(五)月
英语学习笔记： optometrist n. 配镜师 nearsighted adj. 近视的 myopia n. 近视；缺乏远见 hyperopia n. [医]远视 farsighted adj. 有先见之明的；远视的 astigmatism n. 散光 contact n. 接触；联系；熟人 laser n. 激光；
早安英文
还记得孙燕姿那首红遍大江南北的《绿光》吗？翻越过前面山顶、层层白云，绿光在哪里？不知道有多少人跟小编一样，以为歌里的绿光只是对幸福的比喻。而其实在现实中，绿光是真实存在
实用英语
The analogy that is usually given for explaining the curvature of space is to try to imagine someone from a universe of flat surfaces, who had never seen a sphere, being brought to Earth. No matter how far he roamed across the planet's surface, he wo
万物简史
激光手术，大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re
双语有声阅读
Art Director 美术指导； 艺术指导原指负责影片中布景设计的人。近来常被称为“制作设计”（Production Designer），负责协调灯光、摄影、特效、服装、道具、
英文语法词汇
Theres a tiny car that turns in a perfect circle, and stands up on two wheels for parking. Solar roofing tiles to collect energy for home needs. A grain thresher thats made of bicycle parts. These are some of the creations at the Smithsonian Cooper-H
VOA标准英语2010年(六)月
aberration 像差 absolute film 绝对电影 abstract film 抽象电影 academy aperture 影艺学院片门 academy awards 奥斯卡金像奖 academy leader 影艺学院导片 academy mask 影艺学院遮片 academy of motion picture arts ＆ science 美国影艺学院（台）美国电影艺术和科
英文语法词汇