A labiodental is a sound produced using the lips and teeth.

They fortified the fortress in preparation for the enemy's invasion.

The enemy's army invaded our country.

He forgot to report his taxes.

He was diagnosed with pityriasis.

I am planning to have a medical examination by a doctor tomorrow.

He memorized the names of the ancient Egyptian gods one by one.

He did his best to examine the truth of the incident in detail and make it clear.

He acted according to the order of a god.

He is dedicating his body and life to that job.