flipper
n. 鳍状肢；鳍；烤饼；胖听罐头
vi. 靠鳍足（或鸭甲板）行动
adj. 无礼的
复数 flippers
例句
The seal's flipper is homologous with the human arm.
海豹的鳍肢与人类的手臂同源。
《牛津词典》
Amazon dolphins bear little resemblance to our beloved Flipper.
亚马逊河豚和我们钟爱的鳍状肢动物一点儿都不像。
The green sea turtle, could only swim around in a very limited range because she only had one flipper.
这只绿海龟只能在很有限的范围里游，因为她只有一只鳍。
