go on a picnic的同义词有:去野餐，去野炊have a picnicgo on a picnic去野餐，去野炊双语例句：I'd like togo on a picnic.我想去野餐。

We are planning togo on a picnic.我们正计划去野餐。The students oftengo on a picnic.这些学生经常出去野餐。We oftengo on a picnicin spring.我们经常在春天去野餐。