dī / yā / cáo / yí / dào / yán / hǎi / dì / qū / hòu / tiān / qì / biàn / de / yīn / lěng / duō / yǔ低压槽移到沿海地区后,天气变得阴冷多雨。After the trough moved to the coastal region, the weather became cold, overcast, and rainy.