英文: I ascertain that he was murdered.
中文: 我确定他是被谋杀的。英文: I'll ascertain the main cause as soon as possible.
中文: 我会尽快查明主要的原因.英文: I'll ascertain the main reason as soon as possible.
中文: 我会尽快查明主要的原因.英文: Ascertain the Best Genotyping Region of Hepatitis C by Bioinformatics
中文: 用生物信息学方法确定丙型肝炎病毒基因分型的最佳区域英文: The police are trying to ascertain what really happened.
中文: 警察试图探知到底发生了什么事.