形容词

名词

1. 不定时的;不定期的
If events or actions occur at irregular intervals, the periods of time between them are of different lengths.

1. merchandise that has imperfections
usually sold at a reduced price without the brand name

Synonym: second

2. a member of an irregular armed force that fights a stronger force by sabotage and harassment

Synonym: guerrillaguerillainsurgent