核心畫面
A useful picture is two marks and the empty stretch between them. One thing happens here, the next thing happens there, and `interval` names the untouched space in the middle — not either event, but the gap they leave. Everything else this word does comes from asking what fills that gap, how wide it is, or how often it repeats.
可以想成紙上點了兩個記號，中間那段空白就是 interval。一件事在這裡發生，下一件事在那裡發生，這個字指的不是任…更多收起
可以想成紙上點了兩個記號，中間那段空白就是 interval。一件事在這裡發生，下一件事在那裡發生，這個字指的不是任何一件事，而是它們之間留下來的那段空。之後的用法都只是換個角度問同一個空白：這段空有多寬、每隔多久出現一次、還是這段空本身被拿來做點什麼。原始詞典資料7 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。
intervalnoun/ˈɪntəvəʊ/
- 1
A distance in space.
- 'Twixt host and host but narrow space was left, / A dreadful interval.
- [M]any attempts were made to prevent the spreading of it [the fire] by pulling down Houses, and making great Intervals, but all in vain, the Fire seizing upon the Timber and Rubbish, and so continuing it set even through those spaces […]
- 2
A period of time.
- the interval between contractions during childbirth
- 3
entertainmentlifestylemusicThe difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad).
- 4
mathematicssciencesA connected section of the real line which may be empty or have a length of zero.
- 5
An intermission.
- 6
hobbieslifestylesportshalf time, a scheduled intermission between the periods of play.
- Spain made three substitutions at the interval, sending on former Arsenal captain Fabregas, Chelsea's Juan Mata and Liverpool keeper Pepe Reina for Xavi, David Silva and Casillas.
- 7
ball-gamescricketgamesEither of the two breaks, at lunch and tea, between the three sessions of a day's play.
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。