Afterwards, we picnicked on the riverbank.之后，我们在河边野餐。We picnicked on the beach yesterday.昨天我们去海边野餐了.We picnicked near the lake on this gorgeous Sunday.这个美丽的星期天我们在湖边野餐了....

vi.去野餐，参加野餐（picnic的过去式与过去分词形式）...

picnicked的音标：...