他们都在车祸中受了重伤。

They were both ___critically injured in the crash.

汽车对于紧急情况至关重要，比如当有人病危时。

Cars are vital for emergencies, such as when someone is ___critically ill.

患者的病情危重但稳定，需要持续监测。

The patient's condition is ___critically stable and requires constant monitoring.