As to that, I cannot be sure.

至于那个，我也不能肯定。

youdao

I cannot be sure.

我不能肯定。

youdao

Some of the lining epithelia appear mucinous, but I cannot be sure without high power views.

部分衬复上皮呈粘液性，但因未提供高倍图像，我不能确信。

youdao

Some of the lining epithelia appear mucinous, but I cannot be sure without high power views.

部分衬复上皮呈粘液性，但因未提供高倍图像，我不能确信。

youdao