久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典intervalinterval英英釋意

interval

英 ['?nt?v(?)l] 美['?nt?vl]
  • n. 間隔;間距;幕間休息

英英釋意


1. a definite length of time marked off by two instants
2. a set containing all points (or all real numbers) between two given endpoints
3. the distance between things;
"fragile items require separation and cushioning"
4. the difference in pitch between two notes