Cochlear implants, so that's the same kind of function as a hearing aid, to improve hearing, but using a different mechanism.

人工耳蜗移植术,人工耳蜗与助听器同作用相同,都可以改善听力,只是两者原理不同

耶鲁公开课 - 生物医学工程探索课程节选

Yeah? Hearing aids Hearing aids - that's a good one, others?

嗯,助听器,助听器,很好,还有别的吗

耶鲁公开课 - 生物医学工程探索课程节选