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| 单词 | frequency |
| 释义 |
frequency ['fri:.kwənt.si] noun HAPPENING 发生 countable or uncountable ■the number of times something happens within a particular period, or the fact of something happening often or a large number or times （事件发生的）频度，次数；频繁 •Complaints about the frequency of •the increasing frequency of •It's not the duration of his absences from work so much as the frequency that worries me.与他的旷工时日相比，他旷工的频繁程度更让我担忧。 ['fri:.kwənt.si] noun LIGHT/SOUND/RADIO, ETC 光／声音／电波 uncountable specialized ■the number of times that a wave, especially a sound or radio wave, is produced within a particular period, especially one second （尤指声波或无线电波每秒振动的）频率 •the frequency of light光的频率 •low frequency radiation低频辐射 •The human ear cannot hear very high-frequency sounds.人耳听不到极高频率的声音。 countable specialized ■a particular number of radio waves produced in a second at which a radio signal is broadcast 频率（无线电信号的每秒电波数） •Do you know what frequency the BBC World Service is on |
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