喜樂美語

核心畫面

One way to picture frequency: you mark a length of time on a line and count the ticks inside it. Three buses an hour, two headaches a week, four hundred a second — the word is always that count, sitting inside a fixed stretch of time.

可以想成 frequency 是「畫一段時間，數裡面有幾格」：一小時三班公車、一週兩次頭痛、一秒鐘四百次的震動。這個…更多收起可以想成 frequency 是「畫一段時間，數裡面有幾格」：一小時三班公車、一週兩次頭痛、一秒鐘四百次的震動。這個字講的永遠是那個數量，而且一定要放在一段固定的時間裡才有意義。

From the picture

波每秒振動幾次

還是「一段時間裡數幾次」，只是那段時間短到只有一秒，數的是聲波或電波通過的次數。

wave frequency · noun · B2

The number of sound waves or radio waves that pass a point each second.

頻率

Also in this word

how often it happens · noun · B2

How many times something happens during a set period of time or within a group.

頻率

being frequent · noun · B2

The fact that something happens very often.

頻繁

原始詞典資料6 筆記錄

以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

frequencynoun/ˈfɹiːkwənsi/

  • 1

    The rate of occurrence of anything; the relationship between incidence and time period.

    • With growing confidence, the Viking’s raids increased in frequency.
    • The frequency of bus service has been improved from one every 15 to one every 12 minutes.
  • 2

    The property of occurring often rather than infrequently.

    • The FAQ addresses questions that come up with some frequency.
    • The frequency of the visits was what annoyed him.
  • 3

    The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t.

    • The frequency of the musical note A above middle C is 440 oscillations per second.
    • The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
  • 4

    A tone, character, mood, or vibe

    • And if you haven’t picked up on the gay frequencies in her lyrics, her wig choices, and her possible lesbian salutes? Maybe that’s because they weren’t meant for you. IYKYK.
  • 5

    mathematicssciencesstatisticsnumber of times an event occurred in an experiment (absolute frequency)

  • 6

    communicationselectrical-engineeringengineeringrange of electromagnetic waves used for wireless communication in devices like radios, TVs and mobile phones

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。