noun🔗Share鳍，鱼鳍 One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver."The goldfish used its fins to swim around the bowl. "这条金鱼用它的鳍在鱼缸里游来游去。animalpartfishbiologyanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share鳍， 鳍状物 A similar appendage of a cetacean or other marine animal."The dolphin propelled itself through the water using its powerful fins. "海豚用它强有力的鳍状物在水中推进。animalpartbiologyoceanfishanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share尾翼， stabilizing surfaces 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."尾翼能使飞机在飞行中保持稳定。vehicleparttechnicalChat 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 bomb dropped from the plane, its fins guiding it straight towards the target. "炸弹从飞机上投下，尾翼引导着它径直飞向目标。militaryweaponparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share飞机头, 飞机式发型 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."At the 1950s-themed dance, her fins, sculpted with hairspray and a comb, made her look like a glamorous movie star. "在那场50年代主题舞会上，她用发胶和梳子精心打造的飞机头让她看起来像个光彩照人的电影明星。appearancestylebodyChat with AIVocabulary GamePractice Reading
noun🔗Share脚蹼，蛙鞋。 A device worn by divers and swimmers on their feet."The divers wore fins to swim faster."潜水员们穿上脚蹼，这样就能游得更快。sportnauticalweardeviceChat with AIVocabulary GamePractice Reading
noun🔗Share散热片，散热翼。 An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling."The motorcycle engine has fins to help dissipate heat and prevent overheating. "摩托车的发动机上有散热片，帮助散热，防止过热。partmachinetechnicaltechnologydeviceenergyelectronicsphysicsChat 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 workers carefully removed the concrete fins that could tear the new roof membrane. "工人们小心地移除了那些可能会撕裂新屋顶防水层的混凝土毛刺。architecturematerialbuildingChat with AIVocabulary GamePractice Reading
verb🔗Share割鳍, 鳍切。 To cut the fins from a fish, shark, etc."The fishermen fin sharks for their fins, leaving the rest of the body to waste. "渔民为了得到鱼鳍而割鳍鲨鱼，剩下的躯体则被白白浪费。fishanimalactionChat with AIVocabulary GamePractice Reading
verb🔗Share露背鳍游泳 (Of a fish) to swim with the dorsal fin above the surface of the water."The fish fins above the water's surface as it swam swiftly. "鱼一边快速游动，一边露出背鳍。fishactionbiologyanimalChat with AIVocabulary GamePractice Reading
verb🔗Share鳍泳，像鱼一样游。 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用脚蹼划水也能保持深度。fishactionanimalChat with AIVocabulary GamePractice Reading
verb🔗Share给...装上翅片，为...装上散热片 To provide (a motor vehicle etc) with fins."The custom shop will fin the car next week, adding those classic tail fins. "这家改装店下周会给这辆车装上尾鳍，加上那些经典的尾翼。vehiclestyleChat with AIVocabulary GamePractice Reading
noun🔗Share五镑纸币，五英镑 (formerly Australia) a five-pound (£5) note; the sum of five pounds.""Dad lent me five fins to buy that old bicycle at the garage sale." "爸爸借给我五英镑去旧货甩卖会上买那辆旧自行车。valuefinancenumbereconomyChat with AIVocabulary GamePractice Reading
noun🔗Share五块钱，五美元。 A five-dollar bill; the sum of five dollars."I only had two fins in my wallet, so I couldn't buy lunch. "我钱包里只有两张五块钱，所以没钱买午饭。valuefinanceeconomyChat with AIVocabulary GamePractice Reading
