“不定期”怎么读？

“不定期”的英语可以翻译为：irregularly scheduled，non scheduled，aperiodicity，without day ...

他不定期地来探访我们.He visits us at irregular intervals.他在不定期航空公司受过训练.He got his training with the non - skeds.村民委员会将村务定期或不定期地向村民公开.Villagers'committees regularly or periodically make public the affairs of the village to the...