在天气持续不稳定时，请于上课前两小时查询恶劣天气报告。

If unstable weather conditions persist, please check the Rainstorm Alert 2 hours prior the commencement of that class.

youdao

在天气持续不稳定时，请于上课前两小时查询恶劣天气报告。

If unstable weather conditions persist, please check the Rainstorm Alert 2 hours prior the commencement of that class.

youdao