1.These spines have been specifically evolved from the defensive urticating hairs of the slothien and adapted to a new purpose.
这些尖刺是由树獭兽的防御性刺状毛发特别演化而来，适应新的目的。
2.These spines have been specifically evolved from the defensive urticating hairs of the slothien and adapted to a new purpose.
这些尖刺是由树獭兽的防御性刺状毛发特别演化而来，适应新的目的。
3.These spines have been specifically evolved from the defensive urticating hairs of the slothien.
这些尖刺是由树獭兽的防御性刺状毛发特别演化而来。