switch clock

例句：

1. 1.The clock on the wall reads 9:00.
   墙上的钟显示是九点。
2. 2. She adjusted her watch to make sureshe was on time.
   她调整了她的手表以确保她准时。
3. 3. Time flies when you'rehaving fun.
   当你玩得开心时，时间飞逝。