Lots of noise

I'm afraid that you're never going to get that to sound good, because the audio content stops at about 3kHz - which is why it sounds muffled. And the noise isn't easy to deal with either. You can improve the clarity a bit by using the parametric EQ to reduce the levels around 200Hz by about 15dB (use a Q of about 0.7) but even this doesn't help much. If you do this, it may be a little more understandable though - but not much.

Hi Sarah, it looks like you need to share the file publicly on Google Drive before anyone can hear it and offer feedback. Thanks!