用call bell造句子，“call bell”造句

A very useful old fashioned item for getting attention in the classroom is the desk call bell.

Each boy to call bell, she felt a tore heart crack lung afflictive.

The rehabilitation center is equipped with a complete and perfect intellectualized system: telephone, broadband access, cable TV, and emergency call bell system are installed for each nursing bed.

I tapped the call bell on the desk, a man with a mustache came from behind a partition and asked me what I wanted.