| 单词 | light valve |
| 释义 | light valvenoun : an electromagnetically operated device whose light transmission varies in accordance with an electrical quantity (as current) and that is used especially in recording sound on motion-picture film |
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英语词典包含469781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。