单词	porthole
释义	porthole /ˈpɔːthəʊl / noun 1A small window on the outside of a ship or aircraft.Outside cabins will either have a porthole or picture window depending on ship and/or position on ship.... Indeed, outside the starboard porthole I saw a large fish, apparently captive, violently trying to disengage itself and in the process tearing some of the skin and flesh of its back. The style is of a luxury cruiser, with round windows looking like portholes and the gleaming white exterior the hull of a ship. 2 historical An opening for firing a cannon through.Like the stern accommodation, the ceilings have gone but the walls are partially intact, with circular openings left where portholes have been removed.... The material reported ranges from the obligatory porthole to cannon and shot, several pieces of eight and a Charles I gold coin. From the early 1770s emigration brokers also began to respond to concerns about ventilation by including more and larger portholes in the designs of their newer vessels.
随便看	phosphoric anhydride phosphoric chloride phosphoriferous phosphorisation phosphorise phosphorised Phosphorist phosphorite phosphoritic phosphorization phosphorize phosphorized phosphormonoesterase phosphorocalcite phosphorochalcite phosphoroesslerite phosphorogenic phosphorograph phosphorolysis phosphorolytic phosphorolytically phosphoroscope phosphorous phosphorous acid phosphorous anhydride

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