Dr Gu and his colleagues compared the efficacy of their invention with that of existing models using tests borrowed from research into strokes and spinalcord injuries.

谷博士他的同事借用中风和脊髓损伤的研究成果，将他们的发明与现有模型的有效性进行了比较。

Spina bifida is condition that occurs when the spine doesn't develop properly at birth and as a result, it doesn't entirely cover the spinalcord.

脊柱裂是指脊柱在出生时发育不正常，因此没有完全覆盖脊髓。