Like, non-poisonous butterflies, that have come to look like poisonous ones.
比如无毒的蝴蝶,变得与有毒的那些看起来一样。
The experiment of acute poisonousness showed it was non-poisonous.
急性毒性实验显示其无毒。
Results of practice show that boron glaze is of high-performance, non-poisonous and low cost. So it is able to substitute for lead glaze.
结果证明,硼质釉料无毒、性能优良、成本低,完全可取代有毒的铅质釉。