The submarine crew used a periscope to observe the surface.
潜艇船员使用潜望镜观察水面。
She adjusted the periscope to get a better view of the horizon.
她调整潜望镜以更好地观察地平线。
Through the periscope, he could see the approaching ships clearly.
通过潜望镜，他可以清楚地看到接近的船只。
The scientist explained how a periscope works in the classroom.
科学家在教室里解释潜望镜的工作原理。
The children were fascinated by the periscope demonstration at the museum.
孩子们对博物馆的潜望镜演示感到着迷。
Using a periscope, they navigated the narrow waterways safely.
使用潜望镜，他们安全地航行在狭窄的水道中。
The old warship still had a functioning periscope on board.
这艘旧战舰上仍有一个功能正常的潜望镜。
He built a simple periscope for his science project at school.
他为学校的科学项目制作了一个简单的潜望镜。
The periscope allowed them to see over the tall fence easily.
潜望镜使他们能够轻松看到高篱笆外。
During the war, the periscope was an essential tool for submarines.
在战争期间，潜望镜是潜艇的重要工具。
periscope depth 潜望镜深度
periscope lens 潜望镜镜头
periscope observation 潜望镜观察
periscope tube 潜望镜管
periscope system 潜望镜系统
periscope design 潜望镜设计
复数: periscopes;
