Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it.

尽管癌症的病因正被揭开，但我们还没有任何预防它的有效的方法。

His head was uncovered.

他光着头。

His long, uncovered hair flew back in the wind.

他那无遮盖的长发随风向后飞舞。

Police in Brazil uncovered a plot to kidnap him.

巴西警方侦破了一起要绑架他的阴谋。

Auditors said they had uncovered evidence of fraud.

审计员们说他们已找到了诈骗的证据。