It's difficult to solve a part of this problem.

His speech sound is very attractive.

I am majoring in auditory phonetics at university.

Acoustic phonetics is the study of the physical properties of speech.

Articulatory phonetics is a study about the production of speech sounds.

Since it started raining, I opened my umbrella.

He is known as a person with learning.

In Chinese astronomy, there is a constellation named 'Tail'.

His name is followed by 'san' at the end.

I bought three fish at the fishmonger today.