cold occluded front

例句：

1. 1. The cold occluded front caused the temperature to drop significantly.
   冷空气前缘导致温度大幅下降。
2. 2. The weather forecast indicated that a cold occluded front was approaching.
   天气预报显示，一股冷空气前缘正在逼近。
3. 3. During this cold occluded front, many people stayed indoors to avoid the cold.
   在这股冷空气前缘期间，许多人选择待在室内以避开寒冷。