ascertain
vt.弄清，确定，查明
网络解释.确定；查明；判断；弄清
词形变化:
过去式：ascertained 过去式：ascertained 过去式：ascertaining 过去式：ascertains
派生词: ascertainable ascertainment
vt.1.确定;探查释义下的同义词
clear find determine up out solve learn discover
双语例句
1. 1 . It can be difficult to ascertain the facts.
可能难以查明事实真相。
来自《权威词典》