Hypernyms:electron tube thermionic tube thermionic vacuum tube thermionic valve tube vacuum tube
Inherited Hypernyms:pentodetubeelectronic devicedeviceinstrumentalityartifactwholeobjectphysical entityentity
| 单词 | pentode |
| 释义 | Pentode nnoun.artifacta thermionic tube having five electrodes Hypernyms:electron tube thermionic tube thermionic vacuum tube thermionic valve tube vacuum tube Inherited Hypernyms:pentodetubeelectronic devicedeviceinstrumentalityartifactwholeobjectphysical entityentity |
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英语词典包含147479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。