tiān / kōng / zhōng / chū / xiàn / le / jī / yǔ / yún / yù / shì / zhe / bào / fēng / yǔ / jí / jiāng / lái / lín

天空中出现了积雨云，预示着暴风雨即将来临。

Cumulonimbus clouds appeared in the sky, indicating that a storm is coming.