时钟

例句：

1. 1. The clock struck twelve as we walked into the room.
   当我们走进房间时，钟敲响了十二点。
2. 2. She always checks her watch before leaving home.
   她总是在离家前检查她的手表。
3. 3. The old man sat by the window, watching the clock tick away the hours.
   老人坐在窗边，看着时钟一分一秒地流逝。