He was standing on both feet.

The use of fossil fuels is causing global warming.

This service is not free of charge.

We want to nurture this mutual love carefully.

If you pay with a credit card, a transaction fee will be charged.

The doctor checked my electrocardiogram.

My electronic dictionary is very convenient.

There is a new radio clock in my room.

I contacted him by electronic mail.

In this area, electric power generation using solar energy is being carried out.