periscope
/ˈpɛɹɪskəʊp/
A tube allowing observation from a hidden position.
“The submarine crew used the periscope to scan above.”
新增到 My Deck
inoh
inoh
/ˈpɛɹɪskəʊp/
A tube allowing observation from a hidden position.
“The submarine crew used the periscope to scan above.”
新增到 My Deck