spare face

例句：

1. 1. Shespent the day playing with her spare face.
   她用她的空闲时间玩耍。
2. 2. He hada spare face to play chess with hisfriends.
   他有空闲的脸可以和朋友下棋。
3. 3.The extra face on the wall is aclock.
   墙上的额外面孔是一个时钟。