natural evidence的意思|示意

Evidence from a 1997 study at the University of California shows that several patients who received such substances were able to produce their own natural drug.

1997年加利福尼亚大学的一项研究表明，一些接受了这种物质的病人能够产生他们自己的天然药物。

That natural smile is clearly in evidence as she moves from customer to customer, helping them find the right train, or pay the right fare for their tickets.

自然的微笑已经在她的脸上，她带着这样的微笑穿梭在旅客之间，帮助他们找到正确的列车，帮助他们选择正确的车票。

In wider and more difficult areas of life, there is evidence to indicate that natural surroundings improve all kinds of things.

在更广阔，更艰难的生命领域中，有证据表明自然环境可以改善各种事情。