Concealed video cameras scan every part of the compound.

几台暗藏的摄像机把院子里的每一个角落都拍了进去。

《牛津词典》

Concealed video cameras scan every part of the compound.

几台暗藏的摄像机把院子里的每一个角落都拍了进去。

《牛津词典》