这种毒的解药尚未发现。
这样的生物尚未发现。
目前尚未发现这样的行星，但它们很可能确实存在着。
Currently there have been no such planets discovered, but they are very likely to exist.
截至目前，尚未发现其它有症状的接触者。
尚未发现这种病威胁人类健康，但这是个不好的消息。
Though it brings no known risk to human health, this is bad news.
我们尚未发现人们有转向其他网站的迹象。
对付癌症的有效疗法目前尚未发现。
现代医学尚未发现治疗这种疾病的有效方法。
Modern medical science has not yet found an effective way to cure this disease.
迄今为止尚未发现治愈艾滋病的可靠药物疗法。
So far, no dependable drug treatment for AIDS has been discovered.
到目前为止尚未发现人际间传播禽流感的病例。
Up until now, no cases of human-to-human transmission of the virus have been discovered.
直到目前为止，尚未发现治疗癌症的特效药。
Up to now, no wonder drug has been found which can cure cancers.
但到目前为止，尚未发现最无效的治疗办法。
But so far, has not yet found the most effective treatment methods.
迄今为止，尚未发现特别有效的治疗和预防方法。
So far, no effective treatment and preventive method of cancer have been found.
但是，至今尚未发现食管癌的易感基因，食管上皮的癌变分子机理仍未明确。
However, the susceptibility gene (s) of esophageal cancer has not been identified so far.
尚未发现令人满意的解释。
尚未发现令人满意的解释。
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