单词 | pentagrid |
释义 | pentagrid/ˈpɛntəɡrɪd/Electronics noun A thermionic valve having five grids; a heptode. Origin1930s; earliest use found in Wireless World. From penta- + grid. |
随便看 |
|
英语词典包含243303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。