The mountain was covered with a mantle of snow. 山上覆盖着一层雪。
hills with a mantle of snow 覆盖着一层雪的山.
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. 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。
The valley was covered with a blanket of snow. 山谷白雪如毯。