The boy's robottoy was his most prized possession.
那男孩的玩具机器人是他最珍惜的东西。
2
The mother bought her crying son the robottoy in order to gratify him.
为了让哭闹的儿子高兴，妈妈给他买了个机器人玩具。
3
The work of this paper is is part of the design of robottoy controller system, the paper presents the principle and design of magnetic sensor in Direction control.