ascertained的例句（ascertained在句子中的用法）

• It'should be ascertained if preventive or control procedures have already been attempted. 应查明是否已采取了预防或控制措施.
• I ascertained that she was dead. 我断定她已经死了.
• 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.
• The first ascertained appearance of the Aryan family was in connection with the domestic animals. 雅利安族最初呈现的明确形象是与饲养家畜分不开的.
• Once they had ascertained that he was not a spy, they agreed to release him... 一旦确认他并非间谍，他们即同意将他释放。