英语语法分析

Eric has been endeavoring to study audiology because his dream is to be an audiologist.

埃里克一直在努力学习听觉学，因为他的梦想是当一名听觉病矫治医师。

Patients replace the used Lyric every three to four months during a quick visit to the audiologist.

患者只要每三到四个月到听觉学家那里更换一次即可，用时也不长。

The signals required vary from patient to patient and some people wait many years before an audiologist gets it right.

需要的信号会因病人而异，而且有些人会等上好多年才能被听觉矫治专家治愈。