Definition: a warning about a possibly dangerous situation Level: C1
当局对市中心发布了炸弹警告。
The authorities issued a bomb ___alert for the city centre.
已向沿海地区发布了恶劣天气警告。
A severe weather ___alert has been announced for the coastal regions.
如果检测到任何异常活动，新的安全系统会立即向你的手机发送警报。
The new security system sends an immediate ___alert to your phone if any unusual activity is detected.
