他们在草地上举办了一场充满音乐和鲜花的和平聚会。

They held a peaceful ___love-in on the grass with music and flowers.

公园里的情侣们举行了一场公开的爱情聚会，吸引了不少路人驻足观看。

The couples held a public ___love-in in the park, drawing many passersby to stop and watch.