Tail fin
01
尾びれ, 魚の尾
the posterior part of a fish or aquatic animal's body, composed of fins that provide propulsion and maneuverability
例
The tail fin of a dolphin is adapted for powerful swimming and diving.
イルカの尾びれは、強力な遊泳と潜水に適応しています。
Fish use their tail fins to propel themselves through the water.
魚は尾びれを使って水中を進みます。
02
尾翼, 垂直安定板
a stabilizer that is part of the vertical tail structure of an airplane
03
テールフィン, フィン飾り
one of a pair of decorations projecting above the rear fenders of an automobile
