go on picnic还是go on picnics

go on picnic还是go on picnics go on a picnic与go for a picnic区别 go on a picnic什么意思 go for a picnic和go on a picnic 有什么不同 go on a picnic 和go for a picnic那个对? They often go out （ ）a picnic on Sundays. Let us go out for a picnic on Sunday是什么意思 We often go on a picnic in spring.译成中文 【去野餐】到底是go on a picnic呢还是 have a picnic呢还是 go for a picnic呢还是都可以呢还是有其他的呢 go on go on go on go on go on go on go on go on go on vacation还是go on a vacation?