examination         
noun uk/ɪɡˌzæm.ɪˈneɪ.ʃən/ us/ɪɡˌzæm.əˈneɪ.ʃən/
B2 [ C or U ]检查;审查;调查 
the act of looking at or considering something carefully in order to discover something
  a post-mortem examination 尸检 
 I had to have/undergo a medical examination when I joined the pension scheme. 在加入养老金计划之前,我不得不进行了一次体检。 
 The evidence is still under examination (= being examined). 仍在对该证据进行调查。 
 I thought it was paint at first, but on closer examination I realized it was dried blood. 一开始我以为是油漆,可是仔细一看我才意识到那是干了的血迹。 
 A2 [ C ] formal考试 
an exam
 - More examples
 - The doctor has made an initial diagnosis, but there'll be an additional examination by a specialist.
 - Forensic examination revealed a large quantity of poison in the dead man's stomach.
 - I had to strip down to my underwear for my medical examination.
 - We took a sample of the river water back to the laboratory for examination.
 - Careful examination of the plane revealed minute cracks in the fuselage and wings.