| 单词 | retrofocus lens |
| 释义 | retrofocus lens /re"treuh foh'keuhs/ a wide-angle lens, for use on single-lens reflex cameras, of inverted telephoto design, with a back focus greater than the focal length. [1960-65; RETRO- + FOCUS] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。