我要和叔叔婶婶在欧洲各地旅行两周。
I'm travelling ___around Europe for two weeks with my aunt and uncle.
这个机器人由教师控制,可以在教室里四处移动并与学生交谈。
The robot is controlled by the teacher and can move ___around the classroom and talk with the students.
他拄着手杖,僵硬地四处走动。
He walked ___around stiffly, carrying a walking stick.