针孔摄影机

zhēn kǒng shè yǐng jī

pinhole camera

(Tw) miniature, concealable camera with a pinhole-sized lens

zhēn

variant of 針|针[zhen1], needle

kǒng

hole

shè

(bound form) to take in; to absorb; to assimilate

yǐng

picture

(bound form) machine; mechanism