1.不频发的;很少发生的;罕见的 If something is infrequent, it does not happen often.
infrequently The bridge is used infrequently. 那座桥少有人过。 ...schools which, not infrequently, were made up of 80 per cent or more of ethnic minorities. 学生中经常有 80% 甚至更多是少数族裔的学校
英英释义
1.not frequent not occurring regularly or at short intervals