全部

1·He screwed the light bulb into the socket.

他将灯泡拧进了灯头里。

2·I screwed the bulb into the socket.

我把灯泡拧进灯座。

3·It's mobile and can be screwed into a light socket so the projector-robot can be moved to different places in someone's house, or attached to a ceiling to project computer interfaces.

它的移动，可分为轻型插座拧使得投影机器人可以移动到不同的地方在别人的房子，或连接到天花板工程计算机接口。