The success rate then for speech comprehension was low, maybe 50 percent.

那时人造耳蜗对于理解语言的成功率还很低，大概只有 50%。

The temporal lobe also houses the primary auditory cortex, which is needed for speech comprehension.

颞叶也是初级听觉皮层的所在地，对于语言理解是必要的。

Speech comprehension is different from reading comprehension, but it's similar to sign language comprehension — though spoken word recognition has been studied more than sign language.

言语理解与阅读理解不同，却与手语理解相似——尽管与言语辨识相关的研究比手语要多。