A. A smart fridge You can see inside without opening the doors. It tells you what food you have and when it might go bad.
B. The smallest robot It's just 141 mm tall. It can walk on two legs and move its shoulders, elbows and knees. It can play with babies.
C. A smart thermostat (恒温器) It's easy to control the temperature of the house when it gets too cold or too hot. You can just use the app on your phone to set the temperature.
D. A special box It's called a smart speaker. When you don't know something, you ask it, and it gives you answers. You just say, "Hey, play some music!" and it starts playing music.
E. A smart device (装置) It can find people or cars in the mirror as they get closer. It will sound an alarm when the door handle (把手) inside is pulled. People nearby can notice that.
F. A smart light It can change colors to make your room yellow like sunshine or blue like the ocean. Even if you forget to turn off the light, you don't need to go back home, you can use your phone to turn it off.
Wei Wei always feels very cold when he comes home from school in winter. He plans to buy a machine that keeps him warm.
Mr. Liu is a careless person. He always forgets to turn off the lights. He needs something to solve the problem.
Anna's birthday is coming. Her friends will have a party for her. They would like to dance, sing and play games. They need something to play music.
Wang Fen likes cooking on the weekend. She wants to have a little assistant (助手) that helps her plan meals.
Zhao Lin often bumps into (撞上) some one when opening the car door. So he wants to have a device that helps him avoid accidents.