v.弄清，确定，查明( ascertain的过去式和过去分词 )...

ascertained的音标：ascertained的英式发音音标为：[æsə'teɪnd]ascertained的美式发音音标为：[æsə'teɪnd]...

The previously unidentified objects have now been definitely ascertained as being satellites.原来所说的不明飞行物现在已证实是卫星.I ascertained that she was dead.我断定她已经死了.It'should be ascertained if preventive or control procedures h...

The previously unidentified objects have now been definitely ascertained as being satellites.原来所说的不明飞行物现在已证实是卫星.I ascertained that she was dead.我断定她已经死了.The first ascertained appearance of the Aryan family was in connect...