单词 | dew-cap |
释义 | dew-capdew-capAn extension fitted to a telescope tube on a damp night to prevent the condensation of water vapor on the outer element of the telescope. It may simply be a nonconducting (e.g. card) tube or may contain a heating element. |
随便看 |
英语词典包含2567994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。