noun🔗Share鳍，鱼鳍 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. "鱼用它的鳍快速地游向水面。animalfishbodypartorganismbiologynauticalChat with AIVocabulary GamePractice Reading
noun🔗Share鳍，鱼鳍. A similar appendage of a cetacean or other marine animal."The dolphin's fin sliced through the water, a powerful movement. "海豚的鳍有力地划过水面，破浪前行。animalbodypartbiologyanatomyoceanfishChat with AIVocabulary GamePractice Reading
noun🔗Share尾翼， stabilisateur vertical. 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."尾翼在飞行中起稳定飞机的作用。technicalvehiclepartmachineChat with AIVocabulary GamePractice Reading
noun🔗Share尾翼，稳定翼。 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. "飞行员在投弹前仔细检查了炸弹的尾翼，确保它牢固连接。militaryweaponparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share飞机头 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. "我的姐姐梳着一个非常引人注目的飞机头去参加学校舞会。appearancestyleChat with AIVocabulary GamePractice Reading
noun🔗Share蛙鞋，脚蹼。 A device worn by divers and swimmers on their feet."The divers wore fins to swim faster."潜水员们穿上蛙鞋，这样可以游得更快。sportnauticalweardeviceoceanChat with AIVocabulary GamePractice Reading
noun🔗Share散热片, 散熱鰭片 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. "散热器的散热片帮助发动机快速降温。partmachinetechnicaltechnologyenergyChat with AIVocabulary GamePractice Reading
noun🔗Share毛刺，边刺。 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. "屋顶工小心地避开了混凝土毛刺，因为它很容易撕裂新的防水膜。buildingarchitecturetechnicalmaterialChat with AIVocabulary GamePractice Reading
verb🔗Share割鳍，取鳍 To cut the fins from a fish, shark, etc."Before cooking the fish, I had to fin it to remove the sharp spines. "烹饪这条鱼之前，我得先把它的鳍割掉，去除那些锋利的刺。fishactionChat with AIVocabulary GamePractice Reading
verb🔗Share鳍泳 (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. "那条鱼优美地鳍泳着，背鳍刚好露出池塘水面。fishactionbiologyanimalChat with AIVocabulary GamePractice Reading
verb🔗Share用鳍游泳, 鳍泳 To swim in the manner of a fish."A neutrally buoyant diver does not need to fin to maintain depth."中性浮力的潜水员不需要像鱼一样摆动脚蹼来保持深度。fishanimalactionChat with AIVocabulary GamePractice Reading
verb🔗Share给...装上翅片，给...装上散热片 To provide (a motor vehicle etc) with fins."The mechanic finned the old car to make it faster. "那个修理工给那辆旧车装上了翅片，为了让它跑得更快。vehicletechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share五镑钞票，五英镑 (formerly Australia) a five-pound (£5) note; the sum of five pounds."My grandfather used to pay for his newspaper with a fin. "我爷爷以前常常用一张五镑钞票来买报纸。financeeconomyChat with AIVocabulary GamePractice Reading
noun🔗Share五块钱，五美元 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. "我奶奶生日给了我一张五块钱，所以我可以买本新书了。financebusinesseconomyvalueamountChat with AIVocabulary GamePractice Reading
