而且样品中也没有无法鉴别的物质。

Nothing was found in the sample that couldn't be identified.

youdao

有件事情是可以肯定的，天空中有许多飞行物体是我们无法鉴别的。

One thing is for certain, there are objects flying in the sky that we can't identify.

youdao

我们涌进电影院、俱乐部，吃下数以百万吨计优劣无法鉴别的汉堡和即食饭。

We crowd into cinemas and clubs, and eat unidentifiable burgers and ready-meals by the megaton 14 .

youdao

You have middle dialogues where you have to worry about whose views are whose.

对中期对话作品的鉴别,就比较困难,因为你无法明确观点与人物的对应关系

耶鲁公开课 - 死亡课程节选