snow defence

例句：

1. 1. The mountain range is heavily snow-defended during winter.
   山区在冬季被厚厚的雪覆盖。
2. 2. The government has implemented strict snow defence measures to prevent accidents.
   政府已经实施了严格的雪障措施以防止事故。
3. 3. The team decided to build a snow defence system to protect the villagers from the heavy snowfall.
   团队决定建立一套雪障系统来保护村民免受大雪的影响。