| 单词 | scioptric ball |
| 释义 | > as lemmasscioptric ball scioptric ball n. a ball of wood with a hole made through the centre in which a lens or pair of lenses is placed, as used in a camera obscura. Now extracted from scioptricadj.n.< as lemmas |
| 随便看 |
英语词典包含1132095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。