Flagship
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Safin（讨论 | 贡献）2022年4月27日 (三) 19:55的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/flagship ref] flag + ship == etymonline == [https://www.etymonline.com/word/flagsh…”的新页面）
wiktionary
flag + ship
etymonline
flagship (n.)
also flag-ship, 1670s, a warship bearing the flag of an admiral, vice-admiral, or rear-admiral, from flag (n.) + ship (n.). Properly, at sea, a flag is the banner by which an admiral is distinguished from the other ships in his squadron, other banners being ensigns, pendants, standards, etc. Figurative use by 1933.
