Miss Helen is a 40-centimeter-long gray horn shark.

海伦小姐是一条 40 厘米长的灰角鲨。

Ashton stroked behind the little gray horns protruding from the top of its head, and one of its hind legs pattered softly against the earth.

阿什顿在它头顶突出的灰色小角后面抚摸着，它的一只后腿轻轻地踩在地上。