Word: 区间 (qūjiān) Traditional: 區間 区间 dictionary entry qūjiān delimited area; defined section of a train or bus route; numerical range; interval Full dictionary entry for 区间 Example sentences using 区间 2 sentences, showing page 1 of 1. 两次发作的区间越来越短。 Liǎngcì fāzuò de qūjiān yuèláiyuè duǎn. The interval between attacks is getting shorter and shorter. 温度要保持在这个区间内。 Wēndù yào bǎochí zài zhège qūjiān nèi. The temperature must be kept within this range.