Japan has presented a humanoid robot, a cleaning robot and a porter robot in the Shanghai Expo.

在上海世博会，日本推出了仿人机器人、清洁机器人和机器人搬运工。

youdao

Japan has presented a humanoid robot, a cleaning robot and a porter robot in the Shanghai Expo.

在上海世博会，日本推出了仿人机器人、清洁机器人和机器人搬运工。

youdao