好词典

periscope

UK //ˈper.ɪ.skəʊp//US //ˈper.ɪ.skoʊp//

词源

源自希腊语 peri- (周围) + skopein (观察),字面意思是'环视工具',最早记录于19世纪中期。

noun

❶ 潜望镜,一种光学仪器,通常由管子和棱镜或镜子组成,用于从隐蔽位置观察周围环境,常见于潜艇或战壕中。

“The submarine captain used the periscope to scan the surface of the water.”

(潜艇艇长用潜望镜观察水面情况。)

“Soldiers in trenches relied on periscopes to watch enemy movements without exposing themselves.”

(战壕中的士兵依靠潜望镜观察敌军动向,避免暴露自己。)

同义词:viewing device, optical instrument, observation tool

常见短语

raise the periscope — 字面意思是升起潜望镜,常比喻开始观察或调查某个情况。

“Before making a decision, the manager decided to raise the periscope and gather more information.”

(在做出决定前,经理决定先全面了解情况收集更多信息。)