1
- a flattened appendage on various parts of the body of many aquatic vertebrates, including fish and cetaceans, and some invertebrates, used for propelling, steering, and balancing鳍。
1.1
- an underwater swimmer's flipper（潜水者的）脚蹼。
1.2
- a small flattened projecting surface or attachment on an aircraft, rocket, or motor car, for providing aerodynamic stability（飞机或汽车的）尾翅, 尾翼; （火箭的）舵。
1.3
- a flattened projection on a device, used for increasing heat transfer散热片, 翅（片）。
finned, finning
no obj., with adverbial of direction swim under water by means of flippers（穿着脚蹼）在水下游泳：I finned madly for the surface.
我拼命划动脚蹼想要浮出水面。
派生词
finless
adjectivefinned
adjective原始的辐鳍纲鱼。
词源
Old English finn, fin, of Germanic origin; related to Dutch vin and probably ultimately to Latin pinna 'feather, wing'.