prolonged frontal rain

例句：

1. 1. The city hasbeen hit by a prolonged frontal rainthat has caused flooding in many areas.
   这个城市遭受了一场持续的阵雨袭击，导致许多地区发生洪水。
2. 2. The farmers havebeen working hard to prevent the prolonged frontal rain from damaging their crops.
   农民们一直在努力工作，以防止持续的阵雨损害他们的庄稼。
3. 3. The prolonged frontal rainhas made it difficult for people to traveland access essential services.
   持续的阵雨使得人们出行困难，难以获取基本服务。