plural flippers
plural flippers
Learner's definition of FLIPPER
[count]
1
: one of two flat body parts that stick out from the side of a seal, whale, etc., and are used by the animal for swimming(海豹、鲸等的)鳍肢,鳍足
2
: a flat rubber shoe that has a very wide front and that is used for swimming(游泳用的)脚蹼,橡皮脚掌,蛙鞋 — see picture at scuba diving