we had a good time in the aquariurm
enjoy oneself= have a good itme 过得开心,玩得愉快那有没有aquarium这个词？aquarium 表示水族馆，是一个名词，不影响句子。句意：我们在水族馆玩得很愉快。再如：we enjoyed ourselves in the party. 派对上我们玩得很欢。we had a good time in the trip. 我们的旅途很愉快。