Physical evidence shall also be original.

物证应当提交原物。

You can't always detect gender by physical evidence.

你不能老是凭借生理证据来判定性别。

Little physical evidence would be left on her body.

在她的身体上几乎不会留下任何证据。

The police began sorting through a trove of physical evidence.

警察开始整理有价值的物证。

No obvious physical evidence of such a collision has been found.

但调查人员并没有找到碰撞发生的明显物证。