noun🔗ShareひれOne of the appendages of a fish, used to propel itself and to manoeuvre/maneuver."The fish used its fins to swim quickly towards the surface. "魚はひれを使って水面に向かって素早く泳ぎました。animalfishbodypartorganismbiologynauticalChat with AIVocabulary GamePractice Reading
noun🔗ShareひれA similar appendage of a cetacean or other marine animal."The dolphin's fin sliced through the water, a powerful movement. "イルカのひれが水を切り裂き、力強い動きだった。animalbodypartbiologyanatomyoceanfishChat with AIVocabulary GamePractice Reading
noun🔗Share垂直尾翼A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft."The fin stabilises the plane in flight."垂直尾翼は飛行中の飛行機を安定させます。technicalvehiclepartmachineChat with AIVocabulary GamePractice Reading
noun🔗Share尾翼A similar structure on the tail of a bomb, used to help keep it on course."The pilot carefully checked the bomb's fin to ensure it was securely attached before dropping it. "パイロットは爆弾を投下する前に、爆弾の尾翼がしっかりと取り付けられていることを慎重に確認しました。militaryweaponparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share魚のひれに似た髪型で、髪をとかして頭頂部から額にかけて垂直の尾根にセットしたものA hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead."My sister wore a striking fin hairstyle to the school dance. "妹は学校のダンスで印象的なフィンの髪型をしていました。appearancestyleChat with AIVocabulary GamePractice Reading
noun🔗ShareフィンA device worn by divers and swimmers on their feet."The divers wore fins to swim faster."ダイバーはより速く泳ぐためにフィンを着用しました。sportnauticalweardeviceoceanChat with AIVocabulary GamePractice Reading
noun🔗ShareフィンAn extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling."The radiator's fins helped cool the engine quickly. "ラジエーターのフィンはエンジンの冷却を速めました。partmachinetechnicaltechnologyenergyChat with AIVocabulary GamePractice Reading
noun🔗Share鋭い縁A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder."The roofer carefully avoided the concrete fin, as it could easily tear the new waterproof membrane. "屋根職人は、新しい防水膜を簡単に破ってしまう可能性があるため、コンクリートの鋭い縁を注意深く避けました。buildingarchitecturetechnicalmaterialChat with AIVocabulary GamePractice Reading
verb🔗Shareヒレを切るTo cut the fins from a fish, shark, etc."Before cooking the fish, I had to fin it to remove the sharp spines. "魚を調理する前に、鋭いトゲを取り除くためにヒレを切らなければなりませんでした。fishactionChat with AIVocabulary GamePractice Reading
verb🔗Shareひれを使って泳ぐ(Of a fish) to swim with the dorsal fin above the surface of the water."The fish finned gracefully, its dorsal fin just breaking the surface of the pond. "魚は優雅にひれを使って泳ぎ、背びれが池の表面をわずかに破りました。fishactionbiologyanimalChat with AIVocabulary GamePractice Reading
verb🔗Share泳ぐTo swim in the manner of a fish."A neutrally buoyant diver does not need to fin to maintain depth."中性浮力のダイバーは、水深を維持するために泳ぐ必要はありません。fishanimalactionChat with AIVocabulary GamePractice Reading
verb🔗Shareヒレを取り付けるTo provide (a motor vehicle etc) with fins."The mechanic finned the old car to make it faster. "整備士は古い車にヒレを取り付けて、より速くしました。vehicletechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share5ポンド紙幣(formerly Australia) a five-pound (£5) note; the sum of five pounds."My grandfather used to pay for his newspaper with a fin. "祖父は新聞代を5ポンド紙幣で支払っていました。financeeconomyChat with AIVocabulary GamePractice Reading
noun🔗Share五ドル紙幣A five-dollar bill; the sum of five dollars."My grandmother gave me a fin for my birthday, so I can buy a new book. "祖母は誕生日に五ドル紙幣をくれたので、新しい本を買うことができます。financebusinesseconomyvalueamountChat with AIVocabulary GamePractice Reading