As the lakes and ponds freeze over , a thin mantle of snow covers the sedge . occasionally a young and inquisitive arctic fox may be seen loping across the tundra . the weasel and the lemming begin to change color 随着湖泊水塘全部冰封，蓑衣草披上了薄薄的一层雪衣，也许偶而能见到一只好奇的北极幼狐慢跑着越过苔原。
