摘要
(A) Most people don’t like to do housework.To solve this problem, scientists in South Korea have invented a walking robot maid(女佣), Mahru-Z.Mahru-Z can clean the house,put dirty clothes into the washing machine and even heat up food. It took two years to develop Mahru-Z.It is 1.3 meters tall and
Most people don＇t like to do housework. To solve this problem, scientists in South Korea have invented a walking robot maid （女佣）, Mahru-Z. Mahru-Z can clean the house, put dirty clothes into the washing machine and even heat up food.
