irreproducible

time is the irreproducible luxury.

时间是不可复制的奢侈。

we already know that traditional toxicological assays and models can produce conflicting and often irreproducible results for nanomaterials.

我们已经知道传统的毒物学化验和模型可能对纳米材料产生相互冲突而且常常不能重复的结果。

how can our brains make us all behave so similarly at times and yet endow each of us with such a unique and irreproducible existence?

我们的脑子如何让每个人的行为表现在某些时候十分相似，却又让每个人都能独一无二的存在？

as people's increasing demands for environmental protection and sustainable development in the 21st century, the environment-friendly clean vehicle is called for to replace the combustion one which exhausts the irreproducible mineral resources and even worse, heavily pollutes the air.

随着21世纪人们对环境保护以及可持续发展要求的不断提高，使用对环境友好的清洁汽车替代消耗石油等不可再生矿物资源并对城市空气污染严重的内燃机动力汽车已成为当今社会的迫切需要。

as a result, hubble's crucial discovery of the expanding universe will become irreproducible.

如此一来，哈伯关于宇宙膨胀的重要发现将无法重现。

Though Csisz é r's paintings are based on photos, the new-born painting always bares the characteristics of the hand-made, irreproducible picture.

尽管茹日的画以照片为基础，这些新生的画总是带有手绘的无法复制的特色。

one of the most ancient and revered of pigments, ultramarine blue has a distinctive and irreproducible colour.

最古老，最受人尊敬和颜料之一，群青有着独特和复制的颜色。