有什么征兆表明人们能看得见吗？

Are there any signs that people can still see?

youdao

我们对它们什么也没做。他们没有健康问题，也没有像多利羊那样有发生关节炎的征兆。

'We are not doing anything to them, they have no health concerns and they show none of the signs of developing the arthritis that Dolly had.'

youdao

我们对它们什么也没做。他们没有健康问题，也没有像多利羊那样有发生关节炎的征兆。

We are not doing anything to them, they have no health concerns and they show none of the signs of developing the arthritis that Dolly had.

youdao

我们对它们什么也没做。他们没有健康问题，也没有像多利羊那样有发生关节炎的征兆。

We are not doing anything to them, they have no health concerns and they show none of the signs of developing the arthritis that Dolly had.

youdao