词根是examination，exam中文意思是n. 考试试卷<美>医学检查，examination的缩写。

She wrote reams in the exam.她在考试中写得很多。

They found invasive cancer during a routine examination.他们在一次例行检查中发现了扩散的癌细胞。

He was later discharged after an examination at the hospital.