I sent a letter using a parcel service.

He always tries to respond in a gentle manner.

An approximant consonant is a phonetic classification that is located between vowels and consonants.

He is good at pronouncing pharyngeal sounds.

He is majoring in acoustics at university.

He cited 'ask' becoming 'aks' as an example of metathesis.

Listening to his heartbeat, my heart was at ease.

In Japanese, sandhi occurs naturally to make the words flow.

The sound of the musical instrument is pleasant, isn't it?

He showed me a great favor.