您要查找的是不是：
- 他失踪原因不明。His disappearance is unaccounted for.
- 他失踪原因不明.His disappearance is unaccounted for.
- 他原因不明地在凌晨三点钟离开了家。He left the house at three in the morning for inexplicable reasons.
- 有报道说他失踪了，据信已经丧生。He was reported missing, presumed dead.
- 不明unknown
- 关于他失踪之事，办公室中有许多传言。There was a lot of gossip in the office about his disappearance.
- 结果 2 0例患者中 ,18例由药物诱发 ,另外 2例原因不明。Results:of 20 patients with AGEP,18 are drug induced and the other 2 are not clear.
- 他失踪一事警方正在调查.His disappearance is being looked into by the police
- 这种事我们从不明说，我们得到了可靠的暗示，只要知道这个就够了。That's a kind of thing we never tell. We got the straight tip; that's all you need know.
- 他不及格的原因不难了解:他在考试时病了。The reason for his failure was not far to seek: he was ill during the examination.
- 主题不明的，东拉西扯的包含很大范围的主题；杂乱无章的Covering a wide field of subjects; rambling.
- 公众对男孩的失踪表现出极大的兴趣,原因是在他失踪前后有人声称看到天空中出现令人迷惑不解的亮光,还有关于外星人造访地球的报道。People have shown great interest in his disappearance due to sighting of puzzling lights in the sky and reports of alien visits around the time of his disappearance.
- 原因不明agnogenio
- 他不及格的原因不难了解：他在考试时病了。The reason for his failure is not far to seek: he is ill during the examination.
- 科学家认为作物歉收原因不明.Scientists had maintained that the crop failure was not explicable.
- 孩子们想让他详细说说他谈的那种不明飞行物。The children wanted to enlarge on what he had said about the unidentified flying objects.
- 亨利因为感情原因不想离开他的旧房子。他住在这已经四十年了。Henry doesn't want to leave his old house for sentimental reasons. He has been living here for forty years.
- 造成死亡的直接原因不明。The immediate cause of death is unknown.
- 原因不明地for no apparent reason
- 不明原因原发性不孕者宫腔内人工授精失败后治疗方案的选择Treatment Option for Unexplained Primary Infertility Following Failed Intrauterine Insemination
