On entering the room,he found his friends dancing in high spirits.
基本解释一进屋，他就发现他的朋友们在愉快地跳舞。
网络释义
1)On entering the room,he found his friends dancing in high spirits.,一进屋，他就发现他的朋友们在愉快地跳舞。2)They are dancing.,他们在跳舞。3)their off-the-wall friends,他们疯狂的朋友4)They are doing a snake dance.,他们在跳蛇行舞。5)They are[were] dancing.,他们正在跳舞。6)They are friends with each other.,他们相互交朋友。
