The success of wind power represents a litmus test for renewable energy.

风能利用的成功是对可再生能源的一次立见分晓的检验。

The outcome will be seen as a litmus test of government concern for conservation issues.

这结果将被视为检验政府是否关注自然资源保护问题的试金石。

Ending the fighting must be the absolute priority, the litmus test of the agreement's validity.

停火绝对是第一要务，也是检验协约是否有效的试金石。

This was a litmus test for us.

但是我希望这不会是个严峻的考验。

But I hope it's not a litmus test.

但是我希望这不会是个严峻的考验。