释义 |
periscope /'penskaup; 'perazskop/ n instrument with mirrors and lenses arranged to reflect a view down a tube, etc so that the viewer may get a view as from a level above that of his eyes; used in submarines, trenches, etc. (潜水槌、 战壕等中所用的) 潜望镜。 i':i a submarine periscope |