a electricity meter的用法和样例：
- A man came one hour ago to read the electricity meter.
- Normally, men who are not wearing a tie are not admitted to the club, but as you've only come to read the electricity meter that's a horse of a different colour.
- There is a electric cooker in the kitchen.
- This can't be done without a electric drill.
- Their invention was an electricity meter controlled by signals from the power company.