ascertain
ascertain
as∙cer∙tain / ˌæsəˈten ; ˌæsəˈteɪn /
◙verb [I,T] [formal]
1. to find out something
• 弄清,确定,查明:
»A postmortem was ordered to try to ascertain the cause of death.
下令验尸以查明死因。
»ascertain whether / what / how etc
»Tests were conducted to ascertain whether pollution levels have dropped.
进行了化验以确定污染程度是否已经减轻。
»ascertain that
»Police had ascertained that the dead man knew his killer.
警方确定死者认识凶手。
»ascertain sth from sb / sth
»You should ascertain the level of insurance cover from the car rental company.
你应该向汽车租赁公司打听清楚保险的范围。
♦ascertainableadj.