interval
/ˈɪntəvəl/noun
1
- an intervening time or space（时间或空间的）间隔, 间歇：
after his departure, there was an interval of many years without any meetings
在他离开后, 间隔了有好多年没有相会过
the intervals between meals were very short.
每顿饭之间的间隔很短。
2
- a pause; a break in activity停顿, 中止; （活动的）暂停：
an interval of mourning.
举哀暂停。
2.1
- Brit. a period of time separating parts of a theatrical or musical performance〈英〉幕间休息。
2.2
- a break between the parts of a sports match中场休息：
leading 3-0 at the interval.
到中场休息时以3比0领先。
3
- a space between two things; a gap（物体间）间隔; 差距。
3.1
- the difference in pitch between two sounds音程（两音调间音高差别）。
短语
at intervals
1
- with time between, not continuously不时：
the light flashed at intervals.
灯光不时地闪烁。
2
- with spaces between每隔…的空间（或距离）：
the path is marked with rocks at intervals.
小路每隔一定的距离就有石头做标记。
派生词
intervallic
adjective词源
Middle English: from Old French entrevalle, based on Latin intervallum 'space between ramparts， interval'， from inter- 'between' + vallum 'rampart'.