潜望鏡
せ
ん
ぼ
う
きょ
う
Meanings
1
periscope
An optical instrument used in submarines or armored vehicles to observe the surface or surroundings while remaining hidden.
The submarine captain checked the sea surface through the periscope.
periscope
An optical instrument used in submarines or armored vehicles to observe the surface or surroundings while remaining hidden.
The submarine captain checked the sea surface through the periscope.