1.impossible to reproduce
1.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？
2.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。
3.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。
4.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。
5.Time is the irreproducible luxury.
时间是不可复制的奢侈。