Still, the scientific journal Nature does not believe that such designations have to be set in stone.

科学杂志《自然》也不相信这些名称已经印刻在石头中。

youdao

The last thing you need to know about planning is that it won't go perfectly and it shouldn't be set in stone.

关于规划，需要知道的最后一件事就是，规划不可能完美，也不应当一成不变。

youdao

Our concept of free will is intimately related to the idea that the past may be set in stone, but the future is up for grabs.

我们认为过去已经铁板钉钉，而未来还等待自己去把握。对自由意愿的观念就与此密切相关。

youdao

The absolute limits of non-enhanced human athletic performance may well be set in stone.

FORBES: Magazine Article

Indeed, Mr Straw's position may now be set in stone.

ECONOMIST: Road safety

The other phone showed at the launch event, the keyboard-equipped Q10, will come even later -- sometime in April, according to the company, although that doesn't seem to be set in stone.

ENGADGET: Editorial: BlackBerry 10, the waiting and the damage done