fin

鳍、鱼鳍

The dolphin's dorsal fin broke the surface of the water.

海豚的背鳍划出了水面。

鳍状物、尾翼、稳定翼

The plane's tail fin was damaged during the rough landing.

飞机的尾翼在粗暴降落时受损。

蛙鞋、脚蹼常用复数

Put on your mask and fins before you get into the water.

下水前先戴上面镜、穿好蛙鞋。

鱼翅

Many restaurants have stopped serving soup made with shark fin.

许多餐厅已经不再供应鱼翅汤。

五元纸钞美式、旧式俚语

He handed the kid a fin and told him to keep the change.

他给那孩子一张五元钞票，叫他不用找零。

摆鳍游动、用蛙鞋游

The divers finned slowly along the edge of the reef.

潜水员沿著珊瑚礁边缘缓缓摆动蛙鞋前进。