They challenged him to produce evidence to support his allegations.

他们要求他给出证据来支撑他的断言。

We must produce evidence in support of our theory.

我们必须提出证据以支持我们的理论。

He can produce evidence to support his allegations.

他能提出证据以表明他的指控属实。

Scientist must produce evidence in support of a theory.

科学家必须提供证据以支持其理论。

A scientist must produce evidence in support of a theory.

科学家必须提出证据以支持其理论。