他因化学品泄漏导致五度烧伤，肌肉组织严重受损。

He got ___fifth-degree burns from the chemical spill, with severe damage to his muscle tissues.

当他看到排队的队伍延伸到街角时，他陷入了五级绝望。

When he saw the line stretching around the corner, he fell into a ___fifth-degree despair.