北极熊平时大都相互离得比较远,很有礼貌,每逢(feng)遇到食物便会聚(ju)到一起,但等级很分明,身强力壮的大熊总是优先。当一只大公熊吃我们扔下的食物时,小熊们只是侧着身围着转,期望得到点残羹(geng)剩饭。偶尔大熊嗥(hao)叫一声,小熊会躲得远远的.只有成双成对的熊才能坦然地吃完那些食物.它们要么是同胞兄妹.要么是 Polar bears are mostly far away from each other, and are very polite. They gather together whenever they encounter food, but the rank is clear and the strong bear is always a priority. When a male bear ate the food we dropped, the cubs just turned around, hoping to get some leftovers. Occasionally the big hawk calls and the bear hides far enough that only pairs of bears can finish eating the food, either siblings or