ascertained的翻译，读音

短句

例句

I ascertained that he was dead. 我确定他死了。

I ascertained that he died three years before. 我查明（或确定）他死于三年前。

Police had ascertained that the dead man knew his killer. 警察已确定死者认识杀手. 。

Epidemic estimation and parameters fit for China were ascertained. 确定了适于我国流行特点的疫情估计方法和参数； 。

The researcher ascertained that he had discovered a new element which led to SARS. 研究者确定他已经发现了一种导致非典的元素。