heavy icing area

例句：

1. 1. The heavy icing area is a critical area for the winter sports.
   重冰区是冬季运动的关键区域。
2. 2.The heavy icing area requires special care during the winter season.
   重冰区在冬季需要特别的照顾。
3. 3. The heavy icing area is prone to accidents due to its slippery surface.
   由于其滑溜的表面，重冰区容易发生事故。