A polar bear may sit for hours at a breathing hole, waiting for a seal to surface.
A polar bear may sit for hours at a breathing hole, waiting for a seal to surface.
一头北极熊会在呼吸口边坐上数个小时等待海豹出来换气。
A polar bear may sit for hours at a breathing hole, waiting for a seal to surface.
一头北极熊会在呼吸口边坐上数个小时等待海豹出来换气。