What have Japanese companies already made robots do?

What have Japanese companies already made robots do? Japanese companies have already made robots walk and dance.中 英语翻译2.Japanese companies have already made robots walk and d Japanses companies have already made robots walk and dance . Japannese comepanies have already made robots walk and dance Scientists have already made robots to walk and dance 改错 Some scientists have already made robots walk and dance.为什么要 1.Scientists have already made robots walk and dance.（变为否定句） what is the difference between Japanese companies and Americ I have already know what I want,do 英语翻译Some companies have made the manufacturing of clean and 改错Scientists have already made a sheep