| 釋義 |
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. (潛水槌、 戰(zhàn)壕等中所用的) 潛望鏡。 i'：i a submarine periscope |