In English, "严重受伤" can be translated as "severely injured". This comes from the words "severe", which means "very serious or intense", and "injured", which means "hurt or harmed". Here are some example sentences in English and their translations in Chinese:

"The accident left the driver severely injured." (这场事故让司机严重受伤。)

"The explosion left several people severely injured." (爆炸造成多人严重受伤。)

"The firemen rescued the severely injured victim from the burning building." (消防队员从燃烧的建筑物中救出严重受伤的受害者。)