Roberts help people to do housework.
Robot do the housework for human .
The robots _will be used_ to do housework in the future
The robots help people do the housework
The robot can do housework.
Robots can do housework now.
333 浏览 7 回答
117 浏览 4 回答
248 浏览 9 回答
186 浏览 6 回答
199 浏览 6 回答
174 浏览 7 回答
303 浏览 7 回答
301 浏览 4 回答
355 浏览 6 回答
177 浏览 8 回答
135 浏览
114 浏览
234 浏览
130 浏览
227 浏览
花开旭航
