numbfish マイ単語帳に追加

シビレエイ

any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges.

丸い体と頭の両側に強力な放電ができる電気器官を有するシビレエイ目の鈍く海底にすむエイ。