periscope
n. 潛望鏡
A periscope is a vertical tube which people inside submarines can look through to see above the surface of the water.
1. an optical instrument that provides a view of an otherwise obstructed field
Fin whale has become a periscope?
鯨魚鰭成了潛望鏡?
Now use your periscope to see around corners and over wall.
現在使用你的潛望鏡環視各個角落和牆壁.
A water snake glided smoothly up the pool, twisting its periscope head from side to side.
一條水蛇蜿蜒到水潭來, 扭伸著頭,把它象潛望鏡似的擺來擺去.
Three kinds of periscope series are now produced in Thales Optronics.
泰利斯光電子公司目前生產三種系列的潛望鏡.
A simple periscope uses mirrors.
簡單的潛望鏡使用平面鏡.