课本讲解 Page 48 | Unit 7

1. Camcorder | It's best to use a stand ; Be careful when you put in a battery

2. in-line skates | Remember to wear protective gears ; Be sure to skate on a flat surface

3. ATM card | Be sure to put in correctly ; Then punch in your secret code ; Don't forget to count your money when you walk away from the machine

punch, to press buttons or keys on a computer, telephone, etc in order to operate it.