Because its little relative Psittacosaurus had bristles, perhaps larger horned dinosaurs did, too.

因为它的小亲戚鹦鹉嘴有刚毛，许更大的有有。

These cells have little microscopic bristles, about a hundred of them, and on the top of each cell these bristles vibrate back and forth in response to sound.

这些细胞有微小的刚毛， 大约有一百个，在每个细胞的顶部， 这些刚毛响应声音来回振动。