| 单词 | extremely low frequency |
| 释义 | extremely low frequency in British Englishnoun a radio frequency or radio-frequency band below 3 kilohertz Abbreviation: ELFextremely low frequency in American Englishnoun Radio any frequency between 30 and 300 hertz Abbreviation: ELF, elf Word origin [1965–70]This word is first recorded in the period 1965–70. Other words that entered Englishat around the same time include: Coriolis effect, T cell, no-fault, red-eye, wraparoundExamples of 'extremely low frequency' in a sentence |
| 随便看 |
英语词典包含298861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。