How do you speak a vow?

What is meant by vow?

: a solemn promise or assertion specifically : one by which a person is bound to an act, service, or condition. vow. verb (1) vowed; vowing; vows.

How is 2020 pronounced?

The year 2020 will be “twenty-twenty,” and the year 2115 will be “twenty-one-fifteen.”

How do you say wow?