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steamship; steamboat; steamer
かつて汽船は海上輸送の主役であった。
Steamships were once the main players in maritime transport.
祖父は若い頃に汽船で海外へ渡った。
My grandfather went overseas by steamship when he was young.
明治時代に建造された古い汽船が港に停泊していた。
An old steamship was anchored in the harbor.